By Sue Penney
By Humble-Jackson, Sally
By John V. Wright
By Knapp, B. J.
By Thomas, Isabel
By New Horizons Science
By Oxlade, Chris
By Hunt, Roderick, etc.
By Jennings, Terry
By Asimov, Isaac
By Carole Wale
By Julian Knight
By Newton, Derek, Smith, David
By Serraillier, Mr Ian
By Schofield & Sims, J W Adams, R P Beaumont, E Spavin, L Spavin, T R Goddard
By Ruth Merttens, Ba, Med, Dave Kirkby
By Merttens, Ruth, Ruth Merttens, Dave Kirkby
By Ruth Merttens;Dave Kirkby, Ruth Merttens, Dave Kirkby
By Merttens, Ruth, Ruth Merttens
By Lindsay, Sarah, Jackman, John, Painter, Heather
By NCCT
By Smith, Peter, Inglis, A., Peter Smith, A. Inglis
By Tony and Liz Fleet, Tony Fleet, Liz Fleet
By Clemson, Wendy, Clemson, David, Blundell, Kim