By Angela Royston
By Parker, Steve
By Morgan, Sally, Morgan, Adrian
By Bruce H. Lipton, Steve Bhaerman
By Eugene Hecht
By David Mcmahon
By Mark Fox (Department of Physics and Astronomy, University of Sheffield)
By Jim Breithaupt
By Ian Mercer, G. Cressey (Researcher in Mineral Sciences, The Natural History Museum, London)
By Anna Claybourne
By Rachel Lynette, Oxford Designers and Illustrators
By Chris Oxlade, Tony Wilson
By J Breithaupt
By Chris Oxlade
By Robert Resnick, David Halliday, Kenneth S. Krane, K. Krane (Oregon State University, USA)
By Sue Humphries, Susan Rowe, Carol Holliday
By Gordon, Maria, Gordon, Mike
By Graham, Peacock
By CGP Books
By Steven, Alastair
By University of Cambridge Local Examinations Syndicate
By Brian Knapp
By Oxlade, Chris
By Brian Williams, David Antram, Karen Barker Smith
By Davies, Kay
By S Aston
By Clare Oliver
By Karen Bryant-Mole