Open Library
Mystery
Every answer hides another question.
5,758 books

Foul Lady Fortune
Chloe Gong

The exorcism
Charity Blackstock

Vienna Blood
Frank Tallis

Loaded dice
James Swain

The Dolomite Solution
Trevor Scott

Disappearing acts
Betsy Cromer Byars

Strange Creatures From Time & Space
John A. Keel

Killer solo
David Hiltbrand

Cat Under Fire
Shirley Rousseau Murphy

Death on the Diagonal
Nero Blanc

The Clue of the Hissing Serpent
Franklin W. Dixon

How to Marry a Ghost
Hope McIntyre

The Gentle Axe
R. N. Morris

How to Be a Detective (Damian Drooth Supersleuth)
Barbara Mitchelhill

Split Second
Alex Kava

Detective
Parnell Hall

Are You in the House Alone?
Richard Peck

Take a Murder, Darling
Richard S. Prather

The Overlook
Michael Connelly

Flashback
Nevada Barr