Open Library
Mystery
Every answer hides another question.

The Finisher
RuNyx
Mystery and philosophy
Michael Beresford Foster
The right to sing the blues
John Lutz
The Last Days of Madame Rey
A. W. Hill
Tour Into Danger
Lea Tassie
Asylum City
Liad Shoham
The Cook of the Halcyon
Andrea Camilleri
Death takes a honeymoon
Deborah Donnelly
His Luckiest Year
Francis J. Finn
On the Avenue
Antonio Pagliarulo
Crucifixion River
Marcia Muller
Fat Cat At Large
Janet Cantrell
Me, Jill Robinson and the stepping stones mystery
Digby, Anne.
Joker in the Deck
Richard S. Prather
Never hit a ghost with a baseball bat
Eth Clifford
Gideon Gander solves the world's greatest mysteries
David Henry Wilson
Alfred Hitchcock Presents
Various Authors (Alfred Hitchcock Presents)
Toll the bell for murder
George Bellairs
The Master Detective
Heather McCann
The Christmas Wish
Richard M. Siddoway