Charlie Chan in the Secret Service

Charlie Chan, with son Jimmy on a week's pass from the Army, takes up a request for help at a castle-home, miles from anywhere in the American desert south-west and inhabited by an eccentric, reclusive historian and his wife, a descendant of Lucrezia Borgia. Once there, he finds the request's legitimacy denied by all who are present, but still necessary as one houseguest has already been murdered, the other guests are at each other's throat, and the Borgia-related chatelain is suspected...

A dangerous amnesiac escapes from an asylum, hides in the opera house, and is suspected of getting revenge on those who tried to murder him 13 years ago.

Lionel Twain invites the world's five greatest detectives to a 'dinner and murder'. Included are a blind butler, a deaf-mute maid, screams, spinning rooms, secret passages, false identities and more plot turns and twists than are decently allowed.

Get ready for a Gold Medal murder mystery! This "tense, thrilling mystery" ('California Congress of Parents and Teachers') pits Charlie Chan against international spies who are using the Berlin Olympic games as the perfect cover...for cold-blooded murder!

Charlie is the intended murder victim here, and he avoids death only by chance. To find the murderer (since, of course, murder does occur), Charlie must outguess Scotland Yard and New York City police.

Charlie is hired to deliver a pearl necklace to a millionaire at his ranch. When murder intervenes he disguises himself as a Chinese servant and begins sleuthing.

While visiting the circus with his family, Charlie is recruited by the big top's co-owner to investigate threatening letters that he's received.

When a friend of Charlie's is found kicked to death by his own race horse on board a Honolulu-bound liner, the detective discovers foul play and uncovers an international gambling ring.

Charlie Chan's investigation of a blackmail-induced suicide as a case of murder leads him into a world of magick and mysticism peopled with a stage magician, a phoney spiritualist, and a for-real mind reader.

Chan, in Paris for a reunion with friends from World War I, becomes involved in investigating the murder of a munitions manufacturer who was supplying arms to the enemy, even as the rising clouds of World War II force the city into nightly blackout status..

While investigating the theft of antiquities from an ancient tomb excavation , Charlie discovers that the body of the expedition's leader concealed inside the mummy's wrappings.