Series by Kin Platt
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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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Standalone books
Frequently asked questions
How many books has Kin Platt written?
We list 2 books by Kin Platt across 1 series, published between 1964–1974 — each shown in full reading order.
What order should I read Kin Platt's books?
Read each series in publication order. A good place to start is “The Secret of Terror Castle.” Open any series above for its complete numbered reading order.
Where can I buy Kin Platt's books?
Every title links to Amazon from its series page — see our affiliate disclosure in the footer for how that supports the site.
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.
Some summaries adapted from Wikipedia, CC BY-SA 4.0.