By Jennings, Sue, Dunne, Richard
By Kirkby, David
By Clemson, Wendy, David, Smith, Tim
By Carruthers, Louise
By Richardson, George
By Berry, John, Berrimann, Elizabeth
By Gage, Jenny, Spiegelhalter, David, Jenny Gage, David Spiegelhalter
By Jeremy Hodgen, Dylan William
By Mapp, Fiona
By School Mathematics Project
By Hunter, John, Scottish Mathematics Group
By Banks, Mr Tony, Alcorn
By Alcorn, Mr David, Banks, Mr Tony
By Pledger, Keith
By Berry, John, Langham, Sue
By Gordon, Keith, Evans, Kevin, Speed, Brian, Senior, Trevor
By Sherran, Peter, Crawshaw, Janet
By CGP Books
By Hughes, Martin