Alfred Hitchcock and The Three Investigators Series

43 primary works • 44 total works
From book 31 (The Mystery of the Scar-Faced Beggar) onwards the series was called simply The Three Investigators.

See also: The Three Investigators: Find Your Fate
and The Three Investigators: Crimebusters

Book 1

The Secret of Terror Castle
4.04
· 4556 Ratings · 276 Reviews · published 1964 · 55 editions
Finding a genuine haunted house for a movie set s…
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Book 2

The Mystery of the Stuttering Parrot
3.98
· 4033 Ratings · 169 Reviews · published 1964 · 49 editions
Hot on the trail of seven talking parrots that ha…
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Book 3

The Mystery of the Whispering Mummy
3.84
· 3093 Ratings · 87 Reviews · published 1965 · 43 editions
When Ra-Orkon, a 3,000-year-old mummy, begins to…
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Book 4

The Mystery of the Green Ghost
3.81
· 2827 Ratings · 106 Reviews · published 1965 · 35 editions
A green ghost oozes through the walls of a crumbl…
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Book 5

The Mystery of the Vanishing Treasure
3.86
· 2126 Ratings · 56 Reviews · published 1966 · 35 editions
Missing: One fabulous, jewel-encrusted belt, once…
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Book 6

The Secret of Skeleton Island
3.84
· 2453 Ratings · 53 Reviews · published 1966 · 41 editions
Skeleton Island is the next stop for The Three In…
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Book 7

The Mystery of the Fiery Eye
3.88
· 1940 Ratings · 54 Reviews · published 1967 · 38 editions
The Three Investigators must solve an old man's r…
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Book 8

The Mystery of the Silver Spider
3.87
· 2035 Ratings · 63 Reviews · published 1967 · 37 editions
Three young detectives travel abroad to solve a m…
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Book 9

The Mystery of the Screaming Clock
3.92
· 2541 Ratings · 77 Reviews · published 1965 · 41 editions
The high pitched scream produced by an alarm cloc…
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Book 10

The Mystery of the Moaning Cave
3.84
· 2316 Ratings · 61 Reviews · published 1968 · 36 editions
Many years ago, the young bandit El Diablo disapp…
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Book 11

The Mystery of the Talking Skull
3.83
· 2407 Ratings · 65 Reviews · published 1969 · 42 editions
It all started with a dollar. One dollar paid at…
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Book 12

The Mystery of the Laughing Shadow
3.79
· 1581 Ratings · 34 Reviews · published 1969 · 2 editions
The three investigators try to solve a mystery in…
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Book 13

The Secret of the Crooked Cat
3.77
· 1430 Ratings · 38 Reviews · published 1970 · 24 editions
With a clue provided by an unusual stuffed cat, T…
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Book 14

The Mystery of the Coughing Dragon
3.75
· 1527 Ratings · 31 Reviews · published 1970 · 36 editions
Henry Allen's dog is missing - and he thinks it's…
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Book 15

The Mystery of the Flaming Footprints
3.85
· 1985 Ratings · 44 Reviews · published 1971 · 27 editions
When an eccentric local artist disappears suddenl…
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Book 16

The Mystery of the Nervous Lion
3.65
· 1079 Ratings · 19 Reviews · published 1971 · 22 editions
Hired to discover why a wild-animal farm's tame l…
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Book 17

The Mystery of the Singing Serpent
3.75
· 1125 Ratings · 34 Reviews · published 1972 · 29 editions
The Three Investigators become involved in witchc…
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Book 18

The Mystery of the Shrinking House
3.86
· 1500 Ratings · 32 Reviews · published 1972 · 26 editions
The Three Investigators solve a case involving an…
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Book 19

The Secret of Phantom Lake
3.78
· 1169 Ratings · 33 Reviews · published 1973 · 30 editions
While picking up a load of junk, the boys acquire…
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Book 20

The Mystery of Monster Mountain
3.68
· 900 Ratings · 27 Reviews · published 1973 · 26 editions
The three young sleuths solve a case of double id…
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Book 21

The Secret of the Haunted Mirror
3.86
· 1545 Ratings · 44 Reviews · published 1974 · 28 editions
Three young sleuths discover who is haunting a my…
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Book 22

The Mystery of the Dead Man's Riddle
3.93
· 1376 Ratings · 35 Reviews · published 1974 · 24 editions
Three young detectives go on a high-stakes treasu…
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Book 23

The Mystery of the Invisible Dog
3.88
· 1470 Ratings · 43 Reviews · published 1975 · 28 editions
The Three investigators are hounded by supernatur…
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Book 24

The Mystery of Death Trap Mine
3.71
· 800 Ratings · 23 Reviews · published 1976 · 19 editions
The Three Investigators, aided by their friend Al…
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Book 25

The Mystery of the Dancing Devil
3.73
· 960 Ratings · 22 Reviews · published 1976 · 23 editions
Three young detectives search for a stolen statue…
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Book 26

The Mystery of the Headless Horse
3.80
· 1333 Ratings · 27 Reviews · published 1977 · 23 editions
When three junior detectives search for a valuabl…
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Book 27

The Mystery of the Magic Circle
3.68
· 721 Ratings · 27 Reviews · published 1978 · 23 editions
Is former movie star Madeline Bainbridge an innoc…
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Book 28

The Mystery of the Deadly Double
3.80
· 877 Ratings · 18 Reviews · published 1978 · 17 editions
The Three Investigators foil a plot to kidnap the…
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Book 29

The Mystery of the Sinister Scarecrow
3.74
· 886 Ratings · 32 Reviews · published 1979 · 16 editions
The theft of some mutant army ants by a scarecrow…
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Book 30

The Secret of Shark Reef
3.65
· 793 Ratings · 15 Reviews · published 1979 · 20 editions
Three young sleuths uncover a mystery buried sinc…
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Book 31

The Mystery of the Scar-Faced Beggar
3.64
· 526 Ratings · 17 Reviews · published 1981 · 7 editions
A wallet dropped by a scar-faced beggar sets the…
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Book 32

The Mystery of the Blazing Cliffs
3.68
· 591 Ratings · 20 Reviews · published 1981 · 6 editions
Wealthy eccentric Charles Barron is convinced tha…
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Book 33

The Mystery of the Purple Pirate
3.60
· 666 Ratings · 18 Reviews · published 1982 · 19 editions
Searching for a legendary pirate treasure, the th…
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Book 34

The Mystery of the Wandering Caveman
3.55
· 454 Ratings · 11 Reviews · published 1982 · 14 editions
Three young sleuths investigate the disappearance…
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Book 35

The Mystery of the Kidnapped Whale
3.83
· 702 Ratings · 16 Reviews · published 1983 · 16 editions
Jupiter, Bob, and Pete dig and flood a small tren…
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Book 36

The Mystery of the Missing Mermaid
3.62
· 522 Ratings · 15 Reviews · published 1983 · 13 editions
Something is fishy in Mermaid Court!

First a littl…
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Book 37

The Mystery of the Two-Toed Pigeon
3.65
· 501 Ratings · 10 Reviews · published 1983 · 13 editions
A pigeon with a missing toe leads three young sle…
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Book 38

The Mystery of the Smashing Glass
3.67
· 536 Ratings · 10 Reviews · published 1984 · 13 editions
Three young detectives try to trap an invisible v…
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Book 39

The Mystery of the Trail of Terror
3.56
· 440 Ratings · 14 Reviews · published 1984 · 15 editions
While accompanying Pete's inventor grandfather to…
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Book 40

The Mystery of the Rogues' Reunion
3.81
· 547 Ratings · 12 Reviews · published 1985 · 11 editions
The reunion of a group of child movie stars plung…
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Book 41

The Mystery of the Creep-Show Crooks
3.68
· 365 Ratings · 6 Reviews · published 1985 · 10 editions
The Three Investigators tangle with a couple of s…
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Book 42

The Mystery of Wreckers' Rock
3.65
· 403 Ratings · 6 Reviews · published 1986 · 14 editions
While attending a week-long family reunion on a C…
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Book 43

The Mystery of the Cranky Collector
3.60
· 342 Ratings · 10 Reviews · published 1987 · 14 editions
When an ornery book collector disappears, the Thr…
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The Three Investigators 3 in 1: The Mystery of the Laughing Shadow / The Mystery of the Headless Horse / The Mystery of the Sinister Scarecrow
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