Although Charlie and Lee are in Monaco for an art exhibit, they become caught up in a feud between rival financiers which involves the Chans in a web of blackmail and murder.
When a strategically important new aerial guidance system is stolen, Charlie traces it to the Berlin Olympics, where he has to battle spies and enemy agents to retrieve it.
Returning from European exile where she avoided testifying against her criminal associates, a former singer with a tell-all diary is murdered to ensure her silence.
A dangerous amnesiac escapes from a mental hospital and returns to the opera house to wreak revenge on those who tried to murder him seven years earlier.
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.
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.
Hired to investigate forged bonds, Charlie is thwarted by the murder of his undercover agent, but the arrival of son Lee helps him uncover the true culprits.
Dr. Wilfred Glendon returns to London with a rare flower he sought and discovered in Tibet. He also returns with the bite of a werewolf, which causes him to change into one himself during a full moon. Only the juice from his new...
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.
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.
The unsolved murder of a Hollywood actor several years earlier and an enigmatic psychic are the keys to help Charlie solve the Honolulu stabbing death of a beautiful actress.
Insane with the desire to avenge his daughter's death, Dr. Boris Karlov plots a sinister scheme of revenge against the family he holds responsible. Overwhelmed by grief, Karlov blames the Petrov family, a clan of nobles he...
For five generations, men in the Rabinowitz family have been Cantors in the synagogue, but Jakie is more interested in jazz and ragtime music. Jakie leaves his New York home for good. After years on his own, now calling himself...