By Nash, Jenny
By Wright, Andrew
By Pointer, Lynne, Abbey, Sally
By Thomas, Susan
By Hughes, Pat, Cox, Kathleen
By Hyland, Tony
By Gadsby, Paul, Matthews, Jenny, Thomson, Ruth
By Eaude, Tony
By Faye Gardner
By Evans, Joy, Moore, Jo Ellen
By Clarke, Brenda, Dennis, Peter
By Pickford, Tony
By Shuter, Jane
By Hunter, Rebecca, Fairclough, Chris
By Condon, J
By Simeon, Lorraine, Clifford, Rowan
By Marsden, Professor W. E., V.M.
By Flint, David
By Hall, Godfrey
By Peacock, Graham, etc., Smith, Robin
By Ward, Alan
By Milner, Angela M.
By West Sussex Science 5-14 Scheme
By Carpenter, Humphrey
By Kerry, Prof. Trevor
By Workman Publishing
By Nunn, Daniel