Dorion Sagan (Up From Dragons)
Mark Salzman (Lying Awake)
James C. Sanford (editor) (Great Freethinkers
Robert M. Sapolsky (A Primate's Memoir)
Kathy D. Schick (Making Silent Stones Speak)
Jim Schnabel (Dark White)
Matt Seaton (The Escape Artist)
Bettina Selby (Riding The Mountains Down)
Alexandra Sellers (Spoken Cat)
Vikram Seth (A Suitable Boy)
Mark Shand (River Dog)
Jay W.Shelton (Homeopathy)
Michael Shermer (How We Believe)
Pat Shipman (Taking Wing)
Joe Simpson (Touching The Void)
John Simpson (A Mad Word, My Masters)
Simon Singh (Big Bang)
Simon Singh (The Code Book)
Simon Singh (Trick or Treatment?
John R. Skoyles (Up From Dragons)
John Maynard Smith (The Origins of Life)
Lee Smolin (The Life Of The Cosmos **)
Lee Smolin (Three Roads to Quantum Gravity **)
Lee Smolin (The Trouble with Physics)
Dava Sobel (Longitude)
Alan Sokal (Intellectual Impostures)
R.C. Solomon (Death and Philosophy)
Peter Stanford (Heaven)
Anthony Stevens (Evolutionary Psychiatry *)
Anthony Stevens (Evolutionary Psychiatry - Second Edition *)
Anthony Stevens (Prophets, Cults and Madness)
Matthew Stewart (The Courtier and the Heretic)
Anthony Storr (Feet of Clay **)
Galen Strawson (Freedom and Belief **)
Christopher Stringer In Searth of the Neanderthals *)
Chris Stringer (Homo Britannicus)
Christopher Stringer (African Exodus *)
Eors Szathmary (The Origins of Life)