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The Mystery of the Stolen Diamonds (Cam Jansen Mysteries, #1)
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The Mystery of the Stolen Diamonds (Cam Jansen Mysteries #1)

3.88  ·  Rating Details ·  3,867 Ratings  ·  138 Reviews
When Jennifer "Cam" Jansen and her friend Eric are at the mall, they witness a robbery at the jewelry store! Can Cam's amazing photographic memory help catch a thief?
Paperback, 64 pages
Published July 22nd 2004 by Puffin Books (first published March 10th 1980)
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Mar 31, 2016 Josiah rated it it was ok  ·  review of another edition
Cam Jansen's career as a fifth-grade sleuth gets off to a fine start in her inaugural adventure, Cam Jansen and the Mystery of the Stolen Diamonds. Cam isn't a proven veteran of dozens of investigations at this point, merely a bright girl hailed for her unfailing photographic memory, but that gift is in rare form as her first case ever pops up when she's at the mall with her friend Eric. The case is challenging, convoluted enough that the police can't get to the bottom of it, but no detective o ...more
Mar 29, 2009 Anne rated it it was amazing
This review has been hidden because it contains spoilers. To view it, click here.
Nancy Kotkin
Part of the Cam Jansen chapter book series featuring a fifth-grade girl with a "photographic" memory. These books are not whodunit type of mysteries, but each story contains a conundrum, which Cam's eidetic memory helps to solve. The protagonist and her bff are a bit old for a chapter book. The books in the series are all short, (less than 60 pgs each) quick reads. They can be read independently of one another, and are easily understood if read out of order. Published in the 1980s, the books are ...more
May 09, 2009 Dolly rated it liked it
Recommends it for: parents reading with their children
Shelves: childrens, mystery, 2009
This is an interesting story about a young girl with photographic memory who solves a mystery based on her observations. She's a female version of Encyclopedia Brown of sorts.

As a mom, I don't like that the youngsters are left alone in the mall to babysit nor that they leave the area and put themselves in danger, but this is just a story.

On the other hand, I like that Cam is the lead character, providing a strong female role model for young girls. We will definitely look for other Cam Jansen s
When I was younger, perhaps nine or under, I was enamored with this series. I bought another Cam Jansen book somewhere (probably a thrift store) and read it last year. I can see why I really liked them back in the day, but now I realize that the writing is very much for a younger audience: very simple sentence structure, simple descriptions, simple dialog.

If I were to rate this Cam Jansen book (and the others) based on how I viewed them when I was younger, they would all be 4.5 to 5 stars. But I
Stella  ☢FAYZ☢ Chen
Jan 07, 2012 Stella ☢FAYZ☢ Chen rated it it was amazing
The following is a confession from Stella Chen:
I've always wanted to be like Cam Jansen. Photographic memory? Heck yes! I thought I'll ace every test in school and become a detective one day. Unfortunately, that never happened so I have to rely on stupid studying to get me through school. -le sigh-

Also, please read my review of The Absent Author by Ron Roy to take a peek at my childhood and how I became The Girl That Loves Mystery Books.
cam and erick went to the mall and they saw in the jewelry store and they saw went one man stolen the diamonds and cam and erick call the polices mans and they don't know what to do so. the police take who stolen the jewelry store...
Greg Z
Jan 16, 2017 Greg Z rated it liked it
What does it take to write a successful children's series? 1) Here, we have a character with a photographic memory, hence her nickname is "Cam." 2) In the first book of this series, she solves a crime using her special talent. 3) Some, but not all, adults are made to look silly. This specific book is indeed rather clever and far better than, for example, Dahl's very odd and unlikeable "The Twits". Oh, and 4) Cam is in the fifth grade and surely this book was written for perhaps students in the f ...more
Sarah Mae
Jan 05, 2017 Sarah Mae rated it liked it
Shelves: clcsc-south-bay
As enjoyable as I remember it being as a child. Of course as an adult who has read it before, even though it was many years ago, I knew the answer right away. I always wanted Cam's photographic memory.
Apr 20, 2011 Sarah rated it really liked it
The original Cam Jansen series follows the exploits of 10-year-old 5th grader Jennifer "the Camera" (aka "Cam") Jansen and her best friend, classmate, and neighbor Eric Shelton. Cam got her nickname because of her photographic memory. All she has to do is say "Click," and Cam can remember everything she's seen, which comes in pretty handy when trying to solve mysteries.

David Adler has written several beginning chapter book series, but Cam Jansen is one of the earliest and most successful. He's b
Lindsay Richardson
Mar 26, 2015 Lindsay Richardson rated it really liked it
Cam Jansen and The Mystery of the Stolen Diamonds is a story that revolves around a young girl named Cam Jansen, who has a photographic memory. Cam Janson and her friend Eric Shelton were watching Eric's baby brother, Howie, at the mall while his parents were shopping. They notice a commotion at a jewelry store that has just been robbed and see many people running out of the store before the police arrive. Using her photographic memory, Cam remembers noticing a man with a mustache and a young co ...more
Justin Ferrell
May 07, 2014 Justin Ferrell rated it really liked it
Mystery, 1980

Cam Jansen is a young girl with a photographic memory that has a pension for solving mysteries. One day while waiting in the mall with a friend Eric, they see that there is a commotion at the jewelry store. They see many different people come running out of the store before the police arrive and Cam learns that the store has been robbed. Using her excellent memory, Jan recalls that immediately after hearing the alarm she saw a man with a mustache run out of the store, then a young c
Apr 02, 2016 Becky rated it liked it
Shelves: juvenile-fiction
*I read this book as part of my Around the Children's Section Challenge which can be found here:

I chose to read Cam Jansen because I remember it being incredibly popular with my elementary students when I was student teaching.

Cam Jansen is a mystery series that uses Cam's unique photographic memory to solve mysteries. Cam and her friend Eric witness a jewelry store robbery in the mall and notice what the police fail to; the man who ran out of the jewelry lea
Michelle Randall
Feb 09, 2011 Michelle Randall rated it really liked it
My youngest daughter is 6 years old an in 1st grade, but her reading level is more on the line of a 4th grader, which makes finding books difficult. I need to find things interesting and difficult enough to engage her, but yet she is still a 1st grader and as such not mature enough for some books.

Last night, she and I sat down to read this book. Now, having been a Literacy Assistant (basically a teachers aide that taught reading) in our local school for the past two years, I knew that Cam Jansen
Nicola Mansfield
Mar 10, 2014 Nicola Mansfield rated it really liked it  ·  review of another edition
I first met Cam Jansen a few years back when my son read a couple aloud to me as his reader, so I picked up a few more for him. I was impressed with the quality of the mystery for this level of reading. Starting here with the first book in the series, I'm again impressed with this mystery series for first chapter book readers. Cam (aka Jennifer) and Eric are two interesting and curious children with a lot of smarts. Cam's photographic memory is an unusual device and makes for a fun element to th ...more
Esther Choi
Oct 20, 2013 Esther Choi rated it really liked it
Shelves: mystery
Cam Janson and her friend Eric Shelton were watching Eric's baby brother, Howie, at the mall while his parents went shopping. Near the bench they were sitting, the jewelry store's alarm went off and the people around panicked as a man wearing a green tie ran out of the store in a hurry. This made Cam very confused because there were plenty of exits around that he could have went for. Cam, who was nicknamed that after "camera" due to her photographic memory, noticed the other people who were a pa ...more
Edward Creter
When the streets get too hot, and crime is at its worst, count on Cam Jansen! She's a twelve-year-young junior detective with a photographic memory like a steel trap, and a sense of right and wrong which has trumped and stumped most older male private eyes! Her first adventure has Cam the Camera hanging with associate (read: BFF) Eric Sutton and Eric's baby brother. Then a lowlife happens to run from a jewelry he just robbed! Then two others are seen as carrying a baby of their own, ...more
Molly Decker
Apr 07, 2016 Molly Decker rated it really liked it
Cam Jansen - The Mystery of the Stolen Diamonds is a very cute mystery chapter book! I just might have to read a couple more Cam Jansen books in the series! :) This book is about a young girl named Cam who has a photographic memory and helps solve a mystery based on her photographic memories and observations.

I think this book would be best to be read aloud to a 2nd grade class, but I could see it in 3rd or 4th grade as well. Cam Jansen - The Mystery of the Stolen Diamonds could be used as a way
Jun 12, 2010 Jackie rated it liked it
Cam Jansen and the Mystery of the Stolen Diamonds, written by David Adler tells the story about two children named Cam and Eric. One day Cam and Eric are in the mall and an alarm goes off. The both look around to see what is happening and see police officers arresting a man who is the so called jewelry thief. Cam and Eric decide that is up to them to catch the real thief, they then go on an adventure and attempt to get the thieves arrested. The author does an excellent job in helping the readers ...more
Jan 08, 2015 Katie rated it it was amazing  ·  review of another edition
I cut through the youth section of the library to pick up some reserved books and I am so glad I did. Seeing a shelf of Cam Jansen books stopped me in my tracks and transported me back to the Fairview Elementary School library. I loved Cam so much then and wished I had a photographic memory too. This was an enjoyable time capsule read and I have no shame about it! Cam is a smart role model involved in engaging problem solving and I hope kids still love reading about her. One thing I did find odd ...more
Kelcie Hoon
Nov 16, 2011 Kelcie Hoon rated it liked it
I thought this book was really engaging for young readers. David Adler does a good job at reeling the reader in to get you hooked on this book. The basic plot line is that a girl Cam, (short for camera, due to her photographic memory) and her friend Eric witness a robbery and go to catch a mall thief that stole from a jewelry store. The setting and some things in the book are very realistic, which I prefer to read in childrens books. As the story progresses, Cam begins to go after the thieves on ...more
Hope Garland
I always loved Cam Jansen books as a child. These books are great because they are easy to follow and the mysteries are serious but child-appropriate. The story is full of twists and turns, however there are enough hints to the solution that a child can have the success of solving the mystery themselves. In this story, Cam, a young girl with a photographic memory and a penchant for solving mysteries, solves the mystery of a jewelry store robbery. The main characters, Cam and her best friend, Eri ...more
Mar 10, 2015 Amber rated it really liked it
I used to love reading Cam Jansen as a child. They were some of my favorite books. I had never read this one though, but found it to be just as enjoyable as the rest. Introducing these books to children would open them up to a new genre of mysteries they could look into later, as they grow into reading bigger chapter books. Another thing I like about these books is that it shows kids how they should pay attention to details. Cam, the main character, notices everything, which is how she helps sol ...more
Literacy Group
Oct 27, 2013 Literacy Group rated it really liked it  ·  review of another edition
Recommends it for: Grades 2-3
Shelves: mystery
Cam and Eric are at the mall watching Eric's brother Howie while his mother is shopping. Cam, or Jennifer, is known for her photographic memory. So when Parkers Jewelry Store is robbed she remembers all the details about who left the store. One man went running out of the store. The police thought he was the thief and went after him. Cam ended up following the man when he was not convicted of any crimes and found him at a house with the "couple" that had left the jewelry store. It turns out they ...more
Mar 16, 2015 Jerome rated it liked it  ·  review of another edition
A simple but intriguing Cam Jansen mystery with a robbery and the kidnapping of Cam, and the author does a fine job concealing the identity of the actual jewel thief until the ending. Contrary to the blurb’s poor wording, Cam catches the robbers; she doesn’t "frame" them, unless the author was trying to be punny. Obviously, this is a kid’s tale meaning Cam and Eric expose themselves to an absurd amount of risks despite the fact that the police is already investigating the crime anyway. And the k ...more
Feb 21, 2015 Amanda rated it really liked it  ·  review of another edition
Shelves: childlitshelf
I really enjoyed reading this book. I chose it because I have never read it before and I found it in the library at my house. This book is a good beginner book for those children ready for chapter books. The book introduces new language and concepts. I enjoyed the mystery of the book, but the only drawback is if a child reads this book, I would not want them to take it seriously. If they did see a crime like Jennifer did, hopefully they know to report to an authority about it and not go chasing ...more
Chase Vombaur
Nov 04, 2014 Chase Vombaur rated it liked it
This story revolves around a young girl named Cam Jansen who has a fantastic photographic memory. One day while walking about Cam notices a stir going around the Jewelry store. She notices a man with a mustache leave along with a women carrying a baby stroller. The two disappeared before the police could show up. After this incident Cam makes it her duty to help solve the mystery of who stole the diamonds from the Jewelry store. I gave the book 3 stars because it could have been better and I fee ...more
Feb 18, 2016 Charlotte rated it it was amazing
Cam Jason and her friend Eric were at the mall, when the jeweller store was robed. The suspect was a man running, but he wasn’t the robber. Then Cam found out an important clue, a couple had a baby and only a rattle, but Eric's baby brother needed a bagful of things.
This book holds mystery, but in a good kid way. It shows photographic memory in action. Age range is 7 or 6 and up.
I like this book because I like mystery’s. My favourite part is when Cam hid from the bad guys. There is nothing I
Chanel Debooy
Nov 14, 2011 Chanel Debooy rated it really liked it
I had heard of this series before reading. This was the first book of the series, and I liked it a lot! Even for me to read as a young adult, I wasn't bored or uninterested in the sort of juvenile kind of literature. It was a fast, attention grabbing read anyone can appreciate. It was cool because unlike a lot of other mystery books for children, Cam is more like a "real" kind of superhero. She doesn't use magic like popular Harry Potter or Twighlight series. I think this book is especially good ...more
Jessie Mcelhoe
In David Alder’s first of the Cam Jansen series, Cam witnesses a jewelry store being burglarized. Alder gives children a start in the suspense genre with Cam and Eric solving the case of the missing diamonds and catching the thieves. There are a few black and white pictures in the story to help children as their reading level continues to grow. Alder also creates Cam and Eric with responsibility and being trust worthy.
Level: 2nd – 4th
Language – Students can create their own mystery and character
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Adler was born in New York City, New York. He graduated from Queens College in 1968 with a bachelor's degree in economics and education. For the next nine years, he worked as a mathematics teacher for the New York City Board of Education, while taking classes towards a master's degree in marketing, a degree he was awarded by New York University in 1971. In that same year, a question from his then- ...more
More about David A. Adler...

Other Books in the Series

Cam Jansen Mysteries (1 - 10 of 34 books)
  • The Mystery of the UFO (Cam Jansen Mysteries, #2)
  • The Mystery of the Dinosaur Bones (Cam Jansen Mysteries, #3)
  • The Mystery of the Television Dog (Cam Jansen Mysteries, #4)
  • The Mystery of the Gold Coins (Cam Jansen Mysteries, #5)
  • Cam Jansen and the Mystery of the Babe Ruth Baseball (Cam Jansen Mysteries, #6)
  • The Mystery of the Circus Clown (Cam Jansen Mysteries, #7)
  • The Mystery of the Monster Movie (Cam Jansen Mysteries, #8)
  • The Mystery of the Carnival Prize (Cam Jansen Mysteries, #9)
  • The Mystery at the Monkey House (Cam Jansen Mysteries, #10)
  • The Mystery of the Stolen Corn Popper

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