Bat Wing A strange mystery by Sax Rohmer

 Bat Wing by Sax Rohmer

Paul Harvey PI and British Empire political consultant, chats in his office with pal Knox. Colonel Juan Menendez shows them a bat wing someone left for him, and claims someone, seen only as a shadow, watches him. Harvey is plunged into a world of voodoo, vampires and murder, from the creator of super-villain Dr Fu Manchu.

Sax Rohmer, better known as the creator of Fu Manchu, has a cracking good yarn in this tale of the American detective who is asked to unravel a voodoo mystery threatening Colonel Menendez. Traveling to Menendez's home in England, the plot just keeps getting thicker as we meet the members of his household, suspicious neighbors, and see signs of the bat everywhere we turn.

The Priceless Pearl by Alice Duer Miller

 The Priceless Pearl by Alice Duer Miller

A young head-strong women's rights activist is terminated from her job for simply being a woman, and she takes matters in her own hands and takes control of her own life in the romance and mystery by Alice Duer Miller.

Bat Man by Lew Merrill

 Bat Man by Lew Merrill

This is not the character of the same name from the comic books.  This is a horror and suspense tale of a man who becomes a bat --- or is it the other way around?

Basil by Wilkie Collins

 Basil by Wilkie  Collins

In Basil's secret and unconsummated marriage to the linen-draper's sexually precocious daughter, and the shocking betrayal, insanity, and death that follow, Wilkie Collins reveals the bustling, commercial London of the 19th century wreaking its vengeance on a still powerful aristocratic world.  This is a mystery and a novel of sexual suspense and experimentation, early for its time.

Ambrose Lavendale, Diplomat by E. Phillips Oppenheim

 Ambrose Lavendale, Diplomat by E. Phillips Oppenheim

Mr Ambrose Lavendale. a young English-American diplomat, leaves the Embassy service to work as a secret agent in London during World War One. He meets Mlle. Suzanne de Frayne, who is similarly employed by the French, while he is shadowing a scientist who has developed a formula for a lethal gas explosive. In a series of connected stories, the pair uncover German spies, foil plots to divert munitions from the Allies, steal secret weapons, and fall in love.
  

Alley Girl by Jonathan Craig

 Alley Girl by Jonathan Craig

Alley Girl is a hard book, cold and cruel, peopled with toughs and alcoholics, a nymphomaniac and an unfaithful wife, a savage cop and a young pervert. It is also a fine novel, written with rare and stark simplicity by the talented young author, Jonathan Craig.

A Son of Perdition by Fergus Hume

 A  Son of Perdition by Fergus Hume

An occult mystery and romance by Fergus Hume.  This is slightly different type of books for Fergus Hume.  The occult comes into play in the romance, making for an exciting and an unusual story by this master of the mystery.