The Mark of Cain

A gang of crooks are employed to get possession of valuable papers of international importance, held by the French Ambassador, Vicomte de Jarlais....

Holmes and Watson match wits with an opera star intent on blackmailing a king.

Police headquarters has been plagued by a series of robberies, culminating in the theft of a priceless necklace smuggled from Europe. The detectives...

Louis and August Siever, the twins sons of a German father and American mother, are traveling in Europe when war breaks out. August joins the...

Old Silas Blackburn, a wealthy recluse, lives alone with his butler and his ward Katherine. One night, Katherine discovers Silas murdered in the room...

Rosalind Joy (Helen Foster) is an heiress who has inherited a South Seas island known as Pleasure Island. A hidden cache of gold is allegedly buried...

Millionaire Joshua Barker insists that his daughter, Faith, must marry Phil Langhorne, a man that neither likes, and Faith is in love with and eager...

A man and two women, suspected of stealing bonds, are traced to a country hotel. While Judith, one of the women, is out horseback riding, the other...

In this story the hero is haunted by a beautiful young woman who tries to stab him to death with a knife. This fantasy recurs on each of his...

Two men, one of them a villainous hypnotist, contend for the same woman, unaware that she suffers from dual personality disorder.

Lois Fox, upon whose shoulder is branded a Chinese idiograph resembling the letters "A. Y.," is rescued from a gang of Chinese ruffians by Brice...

Edith Sturgis, the daughter of a judge, returns from studies abroad to find her widowed father remarried. The new Mrs. Sturgis does not reveal that...