Open Library
Mystery
Every answer hides another question.
5,631 books

Secret of Pirates' Hill
Franklin W. Dixon

Even the wicked
Lawrence Block

Cam Jansen and the Mystery of the Monster Movie
David A. Adler

Three Witnesses
Rex Stout

The Mars Room
Rachel Kushner

'Til Death
Evan Hunter

The Pentagon Spy
Franklin W. Dixon

Crocodile Tears
Anthony Horowitz

Aces Abroad
George R. R. Martin

The Bigger They Come
Erle Stanley Gardner

The dark stairs
Betsy Cromer Byars

Orchid Beach
Stuart Woods

Below Suspicion (Gideon Fell Mystery Series)
John Dickson Carr

The secret in the old lace
Carolyn Keene

The Grave Maurice
Martha Grimes

Tarot Says Beware
Betsy Cromer Byars

The swami's ring
Carolyn Keene

The Mysterious Mannequin
Carolyn Keene

Captive Witness
Carolyn Keene

The African poison murders
Elspeth Huxley