Open Library
Mystery
Every answer hides another question.

Crossfire
Andy McNab

The Bittermeads Mystery
E. R. Punshon

Call After Midnight
Mignon Good Eberhart

Tunnel vision
Sara Paretsky

The Problem of Cell 13
Jacques Futrelle

Blue Lightning
Ann Cleeves

Dying Light (Logan MacRae)
Stuart MacBride

Cam Jansen and the Mystery of the Babe Ruth Baseball (Cam Jansen)
David A. Adler

Exit music
Ian Rankin

Prophet
Frank E. Peretti

The Murders of Richard III
Elizabeth Peters

Hand of evil
J. A. Jance

Dead of night
Randy Wayne White

Shakespeare's Champion
Charlaine Harris

A touch of dead
Charlaine Harris

Sweet and Deadly
Charlaine Harris

Tea time for the traditionally built
Alexander McCall Smith

Storm Runners
T. Jefferson Parker

The Viking Symbol Mystery
Franklin W. Dixon

The Road To Ruin
Donald E. Westlake