By Norris, Hazel
By Harrap
By Chambers, Comte, Fernand
By Nuffield Mathematics
By Smith, Jeremy J.
By Not Stated
By Ross, Westerfield, Jordan
By Editors of Chambers, Chambers Harrap Publishers
By Meyer, Irmgard, Wright, Andrew
By Williamson, Anabel Marjorie, Turyn, Adam
By Chambers, Robert
By Mcintyre, H.G.
By Schwarz, Catherine
By Jane Goldie
By Zzzzz
By Whellock, R.B., etc.
By (Ed.), Chambers
By Insight Guides
By Reid, Jim
By Rogerson, Robert Elliot, Smith, Charlotte McKenzie
By Macdonald, A.M.
By Unknown
By Collin, Franoise Laurendeau, Laurendeau-Collin, Françoise, Pratt, Jane, Knox, Helen
By Cyriel Verleyen
By Forbes, Patricia, Smith, M.Holland, Knox, Helen
By Wileman, Bud, Robin
By Howarth, Tony
By Andrew Burnet
By Brisley, Joyce Lankester