By Strong, Julia, Richardson, Kim
By Paget
By Unknown
By Hannah Tyson, Mark Beverley
By Geoff Dean
By Nancy Appleyard, Keith Appleyard
By Fellows, Nicholas, Murphy, Derrick
By Irene Yates
By John Turner
By Mark Manuel, Barrie McElroy, Roger Smith
By Benny Lewis
By Swapna Haddow, Collins Big Cat
By Fidge, Louis, Barber, Roy, Barker, LETTS EDUCATIONAL, Louis Fidge, Roy Barber
By Fan, Professor Lianghuo
By John Corn
By Louis Fidge, Roy Barber, Barker, LETTS EDUCATIONAL
By Jenny Alexander
By Claire Throp, Davide Ortu
By Kia Marie Hunt, Collins Kids
By Alexandra Wells, Parwinder Singh, Collins Big Cat
By Wales, Jenny, Wall, Nancy
By Suzannah Ditchburn, Estelle Corke, Collins Big Cat
By Speed, Brian, Gordon, Keith, Evans, Kevin
By Samantha Montgomerie, Gustavo Mazali, Collins Big Cat
By Igloo Books
By Collins Easy Learning
By Autumn Publishing
By Steve Chinn
By School Mathematics Project