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

Grimoire
Brad Strickland

The Picasso Scam
Stuart Pawson

Leepike Ridge
Nathan D. Wilson

Bully
Penelope Douglas

Cabaret
Lily Prior

Bloodthirsty
Marshall Karp

Riviera Gold
Laurie R. King

Dead in the Water
Stuart Woods

A Study in Sherlock
Alan Bradley

Nightshade
Anthony Horowitz

The Sleeping Bride
Dorothy Eden

Wrecker's key
Christine Kling

Dark Matter
Philip Kerr

Fletch, too
Gregory Mcdonald

Foul Play
Tori Carrington

Light Before Day
Christopher Rice

The green turtle mystery
Ellery Queen

Perception of Death
Louise Anderson

Silence of the Grave
Arnaldur Indriðason

Encyclopedia Brown and the case of the two spies
Donald J. Sobol