By Hilary Schofield & Sims, Koll, Mills, Oxford Designers & Illustrators Ltd
By John A. Deft
By Terry, Linda, Speed, Brian
By Norman Lock
By Peter Clarke
By Carol Vorderman, Linda Martin
By Ian Gardner
By Richard Dawson
By Rowland Morgan
By Heather Scott, Richard Bennett
By Hanna Vappula
By Rowena Onions, etc., Jayne de Courcy, et al
By Ken Adams
By Sean McArdle, Wendy Clemson, David Clemson
By CGP Books
By Howard Baxter, Jean Matthews, Mark Patmore, Michael Handbury, Brian Seager
By Neill Hamilton, Sam Stevenson
By Mr Peter Sherran, Ms Sue Waring, Ms Lisa Greenstein, Sherran, MR Peter, Waring, Ms Sue, Greenstein, Ms Lisa
By Anna Lewis, etc.
By The Math Forum
By Alice Hansen, Doreen Drews, John Dudgeon, Fiona Lawton, Liz Surtees
By Sandy Pepperell, Christine Hopkins, Sue Gifford, Peter Tallant
By CGP Books, CGP Books
By Gerald Jenkins, Magoalen Bear
By D. Rayner