The Ebony Stick

Earl Derr Biggers Tells Ten Stories

Seven Keys to Baldpate: Mysterious Thriller in a Closed Mountain Hotel

Seven Keys to Baldpate

Seven Keys to Baldpate: Mysterious Thriller in a Closed Mountain Hotel

The Agony Column (The Second Floor Mystery)

The Chinese Parrot

Love Insurance

Seven Keys to Baldpate

The House Without a Key

The Black Camel

The Complete Charlie Chan Series – All 6 Mystery Novels in One Edition: The House Without a Key, The Chinese Parrot, Behind That Curtain, The Black Camel...

EARL DERR BIGGERS Ultimate Collection: 20+ Mystery Novels, Detective Tales & Short Stories

Seven Keys to Baldpate

The Chinese Parrot

The Complete Novels of Earl Derr Biggers: 11 Mystery Classics, Thrillers & Detective Stories (Illustrated): The House Without a Key, The Agony Column, The Chinese Parrot, Behind That Curtain, The Black Camel, Charlie Chan Carries On, Keeper of the Keys, Love Insurance, Inside the Lines, Fifty Candles…

MYSTERY CLASSICS Boxed Set - Earl Derr Biggers Edition (Illustrated): Seven Keys to Baldpate, Inside the Lines, The Agony Column, Love Insurance & Fifty Candles (Including the Charlie Chan Series)

Inside the Lines: A Tale of Espionage, Intrigue, and Romance in World War I

The Best Thriller Novels of Earl Derr Biggers