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Young Cam Jansen Mysteries #3

Young Cam Jansen and the Lost Tooth

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Cam Jansen's photographic memory is put to the test when Annie's tooth falls out? and disappears! Cam has a picture in her head of everything she sees. But does she have the picture she needs to solve the mystery of the lost tooth?

32 pages, Paperback

First published May 1, 1997

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About the author

David A. Adler

411 books209 followers
David Abraham Adler is an American children's author. He was born in New York City, New York in 1947. 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-three-year-old nephew inspired Adler to write his first story, A Little at a Time, subsequently published by Random House in 1976. Adler's next project, a series of math books, drew on his experience as a math teacher. In 1977, he created his most famous character, Cam Jansen, originally featured in Cam Jansen and the Mystery of the Stolen Diamonds, which was published that year.

Adler married psychologist Renee Hamada in 1973, and their first child, Michael, was born in 1977. By that time Adler had taken a break from teaching and, while his wife continued her work, he stayed home, took care of Michael, and began a full-time writing career.

Adler's son, Michael S. Adler, is now the co-author of several books with his father, including A Picture Book of Sam Adams, A Picture Book of John Hancock, and A Picture Book of James and Dolly Madison. Another son, Edward, was the inspiration for Adler's Andy Russell series, with the events described in the series loosely based on adventures the Adler family had with Edward's enthusiasm and his pets.

As of November 2008, Adler has three sons and two grandsons. He lives in Woodmere, New York.

(source: Wikipedia)

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5 stars
87 (32%)
4 stars
88 (32%)
3 stars
71 (26%)
2 stars
16 (5%)
1 star
5 (1%)
Displaying 1 - 25 of 25 reviews
Profile Image for Melissa Namba.
2,263 reviews16 followers
December 13, 2018
This one was more of an Encyclopedia Jones story than a Cam Jansen one. The mystery is solved with reasoning rather than having anything to do with the photographic memory. Its a much more basic version of the Cam Jansen stories, so I guess its like an introductory book. **Spoiler** the tooth is in the apple. Gross. That makes me think of a lot of bleeding from the mouth.
Profile Image for Anthony.
7,578 reviews33 followers
January 31, 2019
While in art class making turkey stick puppets Annie loses her tooth, and can't find it. It's up to Young Jennifer "Cam" Jansen to solve the mystery of the lost tooth before leaving the school for the day. Using her camera like skills of remembering things by saying click, and the clues provided Young Cam Jansen solves the mystery of the lost tooth.
36 reviews
June 11, 2017
Cam Jansen's photographic memory is put to the test when Annie's tooth falls out and disappears! Cam has a picture in her head of everything she sees, but does she have the picture she needs to solve the mystery of the lost tooth? A good book to help those k-2nd graders become young detectives!
Profile Image for Lynn  Davidson.
8,515 reviews38 followers
February 25, 2026
During art class at school, Annie's loose tooth came out. When no one could find it, Cam used her great memory to try to find Annie's tooth. This is a chapter book with short easy-to-read chapters:
Cam Jansen is not silly;
My tooth is gone;
Click!:
Wake up, Cam!;
Here's your tooth.
1 review
Currently Reading
November 14, 2017
I think she is gonna find
her tooth
This entire review has been hidden because of spoilers.
5 reviews
August 5, 2018
I liked the book very much. It is cool that Cam has a photographic memory. I wish I had that. I am glad that Annie found her tooth!
This entire review has been hidden because of spoilers.
Profile Image for Paula Greenfield.
1,063 reviews1 follower
December 30, 2023
In this book Cam and Eric must figure out what happened to a girl's lost tooth. They go over the clues and use Cam's awesome memory to try to find the missing tooth.
Profile Image for Jessica.
5,595 reviews7 followers
February 8, 2025
Annie loses her tooth at school, but she can't find it anywhere. Cam goes on a mission to find the whereabouts about Annie's lost tooth. I liked Robert in the end, too.
28 reviews
April 6, 2026
This would’ve been three star, but since it was my last day of school this week, I gave it a five
- review from an 8 year old
52 reviews
April 5, 2014


Adler, D. A., & Natti, S. (1997). Young Cam Jansen and the lost tooth. New York, NY: Viking.


Jennifer Jansen has such an amazing memory she was called Camera. Over time, it was shortened to Cam Jansen. Cam is a detective and has been known to solve many mysteries. One day during art class, Annie,a friend lost a tooth. Using her deductive skills and amazing memory, will Cam figure out what happened to the tooth so Annie can give it to the Tooth Fairy?

Cam Jansen novels are a great way introduce mysteries to young or struggling readers. The vocabulary is simple to understand and the illustrations are unobtrusive. Although this is a chapter book, the chapters are short and easy to accomplish in a short time. Lots of pictures are incorporated into the text, making it possible to complete the book in a short period of time. Geared towards ages 7-9, these books encourage children to think and utilize deductive reasoning skills to solve problems. An interesting and entertaining read.
Profile Image for Diressa Belcher.
60 reviews2 followers
November 22, 2013
Jennifer has a photographic memory. She was nicknamed Camera and eventually it was shortened to Cam. During art class, Annie lost her tooth. Oh no! What will she do if the tooth fairy doesn't come to visit her. No worries! Cam saves the day when she remembers that Annie was biting an apple when she lost her tooth.

This is a great story in terms of literacy. This story could be used as a book club text in the beginning of the school year for younger grades. During book club students could discuss the meaning of "click." Students could describe characters (Eric, Annie, Cam, etc.) Students could also discuss the point of view of the main characters. Finally students could describe the sequence of events in this story.
Profile Image for Dolly.
Author 1 book670 followers
June 6, 2009
Our oldest is just fascinated with Cam Jansen and these Young Cam Jansen books are perfect for a quick read at bedtime. We're slowly working our way through the series and I think she likes them equally. Our youngest prefers these because they are shorter with more pictures.

This mystery was okay, easy to solve, but demonstrates perseverance when your first (or second) guess is wrong.
Profile Image for Lindsay.
31 reviews5 followers
November 3, 2011
This book is a great first read for the mystery genre! Mysteries are a very complicated genre for children. Last year when I did a mystery unit I was having a difficult time finding an appropriate level mystery for my lower readers. This book was a perfect fit! While the book is short, there is still an appropriate amount of suspense leading up to solving the mystery.
Profile Image for Nicole.
101 reviews1 follower
April 24, 2013
This alone with any Cam Jansen mystery are great for beginning readers who are trying to tackle chapter books.

While reading this book as a read aloud in the class you can keep a list of suspects and reasons why they are on the list. Students can make their own mystery stories as well after reading this and learning the parts of a great mystery.
Profile Image for Christy.
Author 18 books68 followers
November 30, 2012
Cam Jansen's photographic memory is put to the test when Annie's tooth falls out? and disappears! Cam has a picture in her head of everything she sees. But does she have the picture she needs to solve the mystery of the lost tooth?
Profile Image for Heather Ligman.
196 reviews3 followers
February 28, 2013
This is a great, easy to read chapter book. Level 2. Amy loses her tooth. Cam's photographic memory helps them find it. This book takes place right before Thanksgiving. There are 5 chapters leading through the mystery of finding the lost tooth.
48 reviews1 follower
October 9, 2014
A very simple story that introduces young children to chapter books. I is definitely a beginner book with nothing special to it, but I remember wanting to be like Cam Jansen when I read it as a kid. I wanted a photographic memory so badly!
Profile Image for Amy.
2,265 reviews5 followers
December 16, 2011
While the kids are doing a Thanksgiving project, a girl literally loses her tooth.
Profile Image for Rebecca Tolley.
Author 5 books28 followers
May 31, 2015
It's no Junie B. Jones. Boring, stale, read it to my daughter on auto-pilot.
Displaying 1 - 25 of 25 reviews