By Howard Friel, Thomas E. Lovejoy
By Wohlleben, Peter, Peter Wohlleben
By Simon Winchester
By Graham Park
By David Vaughan (Research Professor of Mineralogy, University of Manchester)
By John W. Barnes
By Robert M. Hazen
By Peter Molnar, Peter Molnar (Professor of Geological Sciences, University of Colorado)
By John L. Roberts
By P. J. Waller (Fellow and Tutor in Modern History, Fellow and Tutor in Modern History, Merton College, Oxford)
By Matthew Green
By Stephen Battersby (Environmental Health Consultant, UK), John Pointing
By Stephen Battersby (Environmental Health Consultant, UK), Veronique Ezratty, David Ormandy (University of Warwick
By Cynthia Barnett
By Michael Witherick
By McDuff, Leon
By James H. Brown, Brett R. Riddle, Mark V. Lomolino
By Ian Morris
By Ian F. Mercer.
By Michael Bradshaw, Joseph Dymond, George White, Elizabeth Chacko
By Andrew McCloy, Stephen Whitehorne
By Elizabeth Currid-Halkett
By Fernand Braudel, S. Reynolds
By Dana Ste.Claire
By Thurman
By John M. Hartwick, Nancy D. Olewiler
By G. Cornelis Van Kooten, Erwin H. Bulte
By Jane Robinson