By Parker, Steve
By Teresa Naylor, Paul Naylor
By Morgan, Sally
By Ruth Owen
By Bailey, Jill
By Philip Bradfield, Steve Potter, Bradfield, Philip, Potter, Steve
By Ganeri, Anita
By Haywood, Bob, Pearce, Michael
By Burnie, David
By Royston, Angela, Scott, Michael
By Susan Hoe
By TickTock Books
By Jagger, Sarah
By Mary Jones, Jennifer Gregory, Jones, Mary, Gregory, Jennifer
By Tames, Richard
By Rossi, Renzo, Borlenghi, Patricia
By University of York Science Education Group, Nuffield Curriculum Centre
By Donald Reid, Philip Booth, Reid, Donald, Booth, Philip
By Sandeman, Anna
By Louise Spilsbury, Richard Spilsbury
By Richard Spilsbury, Louise Spilsbury
By Mike Unwin