By R. P. Burn
By School Mathematics Project
By Phillips, Richard
By Clarke
By Secada, Walter G., Fennema, Elizabeth, Adajian, Lisa Byrd
By Westfall, Richard
By Bolt, Brian
By Carolyn Collins Petersen, John C. Brandt
By Harrison, Paul, Mumford, Jeanette
By Douglas Quadling, Hugh Neill
By Quadling, Douglas, Neill, Hugh, Douglas Quadling, Hugh Neill
By Neill, Hugh, Quadling, Douglas, Quadling, Douglas
By Quadling, Douglas, Neill, Hugh, Douglas Quadling
By Michael White
By Ian Stewart (, Professor of Mathematics, University of Warwick)
By Gerald Jenkins, Magoalen Bear
By Barrie Hunt
By Christopher J. Cox, D. Bell
By Mike Watts
By Out Of Print
By Sophie Goldie