By Moore, Jo Ellen, Evans, Joy
By Belinda Gallagher
By Vicky Parker
By Fox, Hayden
By Bertoli, Ben
By Jonathan Weyers, Kathleen McMillan
By Editors of Klutz
By Scottish Primary Mathematics Group, Matthews, Bethan, etc.
By Kerry, Prof. Trevor
By Bell, Peter, Kerry, Prof. Trevor
By Scholastic
By Anne Rooney
By Blandford, Sonia
By Symons, Mitchell
By Simon Tudhope, Sarah Horne
By McKenzie, Heath
By National Geographic Kids
By March, Peter R.
By Gatward, David, Clark, Debbie
By Binch, Norman
By Anon
By Stephen, Margaret
By Rebecca Hunter
By Publishing, Jungle
By Brereton, Catherine, Dickason, Chris
By Ripley, Catherine, Ritchie, Scot
By Barratt, Margaret