By Duplo
By Diane Wilmer, Wilmer, Diane
By Wilmer, Diane
By Caroline Hill-Trevor, Hill-Trevor, Caroline
By Antony Lishak, Ian Newsham
By Mary Hooper
By Gregory Evans, Peter Bailey, Evans, Gregory, Bailey, Peter
By Bel Mooney, Margaret Chamberlain
By Eagar, Patrick, Eager, Patrick.
By Frances Edmonds, Edmonds, Francis.
By Geoffrey Whitehead
By Ken Hoyle, Hoyle, Ken
By Dimond, Peter
By King, P.
By B. Cutting, J. Cutting, Cutting, B., J.
By Christine, Young
By John Lockyer
By Bill Boyle, Boyle, Bill
By Jennifer Beck
By Combined Author Team
By Scottish Primary Mathematics Group
By Scottish Primary Maths Group SPMG, SPMG, Scottish Primary Maths Group
By Unknown