The Three Investigators Books in Order
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The Three Investigators is a juvenile mystery series created by Robert Arthur Jr. and originally published under the title Alfred Hitchcock and the Three Investigators. The series features three young friends—Jupiter Jones, Pete Crenshaw, and Bob Andrews—who solve mysteries involving puzzles, stolen items, historical artifacts, and hidden treasures. Set in various American and international locations, the stories emphasize teamwork, logical reasoning, and the pursuit of justice as the trio works to uncover the truth and protect friends. First published by Random House in the United States, the original series consists of 17 books published between 1964 and 1986. The series became especially popular in Germany, where more than 200 books were produced directly for the German market. Rights to the series are held by Random House in the U.S., the heirs of Robert Arthur Jr., and the German publisher Kosmos.
Books in this series
Ordered by first publication where known. The official numbering for this series is incomplete in our sources, so we don't show series numbers we can't verify.
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Buy on Amazon1964 · Robert Arthur
The Secret of Terror Castle is an American juvenile detective novel written by Robert Arthur, Jr. It is the first book in the "Three Investigators"…
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Buy on AmazonThe Mystery of the Whispering Mummy
1965 · Robert Arthur
A 1965 novel by Robert Arthur Jr. in which the Three Investigators undertake a case involving an Egyptian mummy that whispers, but only to one man.
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Buy on AmazonThe Mystery of the Vanishing Treasure
1966 · Robert Arthur
A 1966 novel by Robert Arthur Jr. Three young detectives become involved in mysteries connected to the disappearance of an ancient Japanese jeweled…
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Buy on Amazon1966 · Robert Arthur
Jupiter Jones, Pete Crenshaw, and Bob Andrews fly to Skeleton Island at Alfred Hitchcock's request to help Pete's father with a motion picture and…
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Buy on AmazonThe Mystery of the Stuttering Parrot
1967 · Robert Arthur
Jupiter Jones leads a team of young detectives in a mystery involving a lost parrot that recites Shakespeare but stutters. The parrot's disappearance…
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Buy on AmazonThe Mystery of the Silver Spider
1967 · Robert Arthur
The Three Investigators travel to the European country of Varania to solve a mystery involving a stolen silver spider, a crucial royal emblem. The…
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Buy on AmazonThe Mystery of the Screaming Clock
1968 · Robert Arthur
The Three Investigators follow the piercing sound of an alarm clock's scream, a clue that pulls them into a complicated and dangerous trail leading…
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Buy on AmazonThe Mystery of the Moaning Cave
1968 · Dennis Lynds
Jupiter Jones, Pete Crenshaw, and Bob Andrews are staying at the Dalton's Crooked-Y Ranch when a cave on the mountain begins moaning after fifty…
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Buy on AmazonThe Mystery of the Talking Skull
1969 · Robert Arthur
An old trunk draws the three investigators into a case involving dangerous criminals who are searching for a hidden cache of stolen money.
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Buy on AmazonThe Mystery of the Nervous Lion
1971 · Kin Platt
Hired to discover why a wild-animal farm's tame lion has become unpredictably nervous, three young detectives begin an investigation that uncovers a…
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Buy on AmazonThe Mystery of the Singing Serpent
1972 · M. V. Carey
The three investigators become involved in witchcraft when they try to rescue a woman from the influence of snake worshippers. Their investigation…
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1973 · Dennis Lynds and Robert Arthur
The Mystery of Phantom Lake is a Three Investigators novel by Robert Arthur, Jr. and William Arden, published in 1973 in the United States as part of…
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Buy on AmazonThe Mystery of the Dead Man's Riddle
1974 · Dennis Lynds
Three young detectives embark on a high-stakes treasure hunt to restore a fortune to the rightful heirs. The adventure involves solving a mysterious…
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Buy on AmazonThe Mystery of the Green Ghost
Year unknown · Robert Arthur
The Three Investigators become entangled in the theft of a string of rare pearls and a fraudulent scheme involving a family inheritance as they try…
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Buy on AmazonYear unknown · Robert Arthur
Jupiter Jones and his middle-school-age detective club, operating out of a junkyard belonging to one of the parents, follow a search for a jewel…
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Buy on AmazonYear unknown · Robert Arthur
Three young detectives use a clue provided by an unusual stuffed cat to investigate the mysterious troubles plaguing an accident-prone carnival.
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Buy on AmazonThe Mystery of the Flaming Footprints
Year unknown · Robert Arthur
The Mystery of the Flaming Footprints follows three investigators who look into the matter after an eccentric local artist disappears suddenly.
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Frequently asked questions
What order should I read the The Three Investigators books in?
Read them in publication order — the list above is sorted by first publication where known, starting with “The Secret of Terror Castle”.
How many books are in the The Three Investigators series?
We list 17 books by Robert Arthur , published between 1964–1974.
Where can I buy the The Three Investigators books?
Each title above links to Amazon. See our affiliate disclosure.
More series like The Three Investigators
Reading order compiled from author/publisher guidance and verified bibliographic data. Spotted a wrong order, a missing book, or any other mistake? and we'll correct it.