Non-SF & Fantasy:

Richard Adams
Raymond Chandler
Lee Child
Agatha Christie
Tom Clancy
James Clavell
Michael Connelly
Flannery O’Connor
Bernard Cornwell
Robert Crais
Michael Crichton,
Nelson DeMille
Loren D. Estleman
C.S. Forester – Hornblower
Ian Flemming – James Bond
John Grisham
Drew Hayes
Mick Herron
James Herriot
Tom Holt
Dashiell Hammett
Gary Jennings
Stephen King
Dean Koontz
Louis L’amour
Len Levinson
Thomas Ligotti
Robert Ludlum
Mike McCulloch
James Mitchner
Patrick O’Brian – Aubrey/Maturin
Douglas Preston & Lincoln Child
Jeff Putnam
Alistair Reynolds
Carl Sagan
John Saul
Wilbur Smith
Thomas Sowell
Travis Taylor
Evelyn Waugh
Cornell Woolrich