Alfred Hitchcock and the Three Investigators — Multiple Authors

• 1964
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A deserted old building by day -- by night a castle of terror! For more than twenty years no one has slept the night through within the walls of Terror Castle. Ghostly moans and groans, fearful screams and screeches, frighten off the bravest soul. ...

• 1964
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Hot on the trail of seven talking parrots that have seemingly vanished into thin air, the Three Investigators are in more trouble than ever. Danger lurks at every turn as they search for the birds, each of whom can quote part of a coded message from ...

• 1965
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When Ra-Orkon, a 3,000-year-old mummy, begins to whisper strange words in an ancient Egyptian tongue, the Three Investigators are determined to find out the facts: Why is he speaking? What is he saying? And how is the horrible curse of Ra-Orkon about...

• 1965
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A green ghost oozes through the walls of a crumbling old mansion, leading The Three Investigators to an open coffin and a grinning skeleton wearing a string of priceless Chinese Ghost Pearls. When the ghost disappears--along with the pearls--the sle...

• 1966
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Missing: One fabulous, jewel-encrusted belt, once owned by the ancient emperors of Japan. The Three Investigators are ready to jump into action, but officials at the Peterson Museum turn them away for being too young. Then a strange twist of fate bri...

• 1966
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Jupe, Pete, and Bob's next case sends them to Skeleton Island, an eerie spot inhabited only by pirates' bones and a young girl's ghost. A movie company has chosen the island as the perfect place to make a scary film, but mysterious events are disrupt...

• 1967
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Gus needs help! Great-uncle Horatio had died and left him a fortune. At least, Gus thinks there's a fortune -- in something called the Fiery Eye. But all he has to start with is a mysterious message from Horatio -- a message full of riddles. It...

• 1967
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Cancel the coronation! That's what the prince of Varania will have to do if he can't find the royal badge of office -- a jeweled silver spider. No prince can be crowned without it. But the silver spider has been stolen! Luckily for the prince, ...

• 1968
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The alarm clock went off with the bloodcurdling scream of a woman in mortal terror! Who could have made such a clock -- and why? The Three Investigators immediately set out to discover where the mysterious clock came from. When they come across a ...

• 1968
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El Diablo -- The Devil! The very name of the legendary outlaw strikes fear in the hearts of California ranch owner. Many years ago, the young El Diablo disappeared into a mountain cave, never to be seen again. But the ranchers think he may still b...

• 1969
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It all started with a dollar. One dollar paid at auction by Jupiter Jones for a dusty old trunk that once belonged to The Great Gulliver, a magician who vanished as mysteriously as one of his tricks. The trunk attracts a host of bizarre characters, l...

• 1969
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ALFRED HITCHCOCK and The Three Investigators in The Mystery of the LAUGHING SHADOW The Three Investigators are being shadowed! A hoard of priceless jewels is going to be stolen--unless the terrific trio can solve the case in time. But no...

• 1970
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The carnival's in town! But for The Three Investigators, it's not just fun and games. A thief runs off with a carnival prize -- an oddly shaped stuffed cat. The boys suspect the cat holds a clue to a much more valuable prize -- one worth thousands...

• 1970
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Henry Allen's dog is missing. He thinks it's been eaten by a dragon! He swears he saw a dragon emerge from the ocean and slither into the caves underneath his cliff-top house. The Three Investigators don't know if they believe Mr. Allen, but they'...

• Jan-1971
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The Potter's house in haunted! The Potter is -- or -- was -- an eccentric old ceramics artist, famous for wearing a long white robe and going barefoot. A short time ago he mysteriously disappeared. Now his house is filled with bare footprints that...

• 1971
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"Slowly and menacingly a massive, thick-maned lion advanced. Its head was down and its hugs yellow eyes were narrowed... The huge jaws opened, exposing long, frightening fangs." The Three Investigators are called upon by Mr. Hitchcock to discover ...

• 1972
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A strange, shrill song echoes through the old Jamison mansion. The housekeeper flees from the estate, screaming in terror. Young Allie Jamison blames a houseguest, Mr. Ariel, for the spine-chilling noises. He's an odd little man who never sees daylig...

• 1972
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Worthless old junk -- but it belonded to the Countess's dead brother, and she wants it all back! Unfortunately everything has been sold -- the old leather suitcases, the stuffed owl, even the strange paintings showing a house getting smaller and s...

• 1973
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• 1973
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Something is wrong at Slalom Inn! The innkeeper's wife is a nervous wreck. The innkeeper stalks the mountainside with a tranquilizer gun. And huge, mysterious footprints keep appearing in the woods. The Three Investigators just wanted a quiet vaca...

• 1974
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Three young sleuths discover who is haunting a mysterious old mirror--and why....

• 1974
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When Dingo Towne's will was read, his relatives got a nasty shock. Old Dingo had left his fortune to whoever could find it! Six baffling riddle-clues hinted at the hiding place. Along with hundreds of others, The Three Investigators plunged eagerly i...

• 1975
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Terror strikes an entire apartment house! Ever since the statue of a phantom wolf-dog was stolen, things have gone wrong at Paseo Place. A creepy shadow that passes through walls haunts one apartment. A fire breaks out in another. The ghost of a p...

• 1976
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Why did a millionaire suddenly insist on buying a worthless old silver mine? And why did he get a hungry attack dog to guard the entrance? The Three Investigators decided there was only one way to find out. They sneaked into the dark, dangerous mine....

• 1976
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Find the Dancing Devil! The ancient bronze statue of a powerful demon had been lost. Now it seems to dance from owner to owner! Always it stays one tantalizing step ahead of the Three Investigators as they desperately try to trace it. Could it ...

• 1977
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Ruin threatens the proud old Alvaro family! They can't pay the mortgage on their ranch. Their house and barn have been destroyed in a suspicious fire. Their only hope is to find the family's priceless heirloom -- a jeweled sword that mysteriously dis...

• 1978
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Is former movie star Madeline Bainbridge an innocent victim--or a target of revenge? Thieves have just stolen her valuable old films. And her memoirs have mysteriously disappeared before they could be published. Why would anyone want the aging actres...

• 1978
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Jupiter Jones has been kidnapped! But the desperate criminals have grabbed the wrong victim. Jupiter happens to look just like the son of an African prime minister. Jupe doesn't dare point out the kidnappers' error. For once, the leader of The Three ...

• 1979
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A ghostly scarecrow is terrorizing Letitia Radford. But no one on the secluded Radford estate will believe the beautiful heiress! Then her fear turns to hysteria -- a colony of mutant army ants is on the loose! The Three Investigators know Letitia...

• 1979
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• 1981
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• 1981
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The crime-fighting trio of Jupe, Pete, and Bob sets out to prove that wealthy eccentric Charles Barron, who is convinced that aliens are planning to come for him, is the target of fraud....

• Aug-1982
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A hidden treasure is suspected, some criminals with a plan show up, and the Three Investigators end up right in the middle....

• 1982
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• 1983
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• 1983
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• 1984
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• 1984
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• 1984
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• 1985
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• 1985
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• 1986
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While attending a week-long family reunion on a California island, the Three Investigators find their photographs of the event hold an inordinate interest for someone else, and receive clues to that unknown identity from both an ancient and a modern ...

• 1987
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