By Pearce, Malcolm L., Stewart, Geoffrey
By Lawson, Arnold, Nicholson, A., Taylor, Edward
By Clayton, B., Margaret Knight, Knight, Margaret
By Schofield & Sims, T R Goddard, J W Adams, R P Beaumont
By Schofield & Sims, J W Adams, R P Beaumont, E Spavin, L Spavin, T R Goddard
By Burgess, Chris, Isseyegh, Anne
By Mansfield, Roger
By Wright, Walter D.
By Watson, Jack B.
By Advanced Physics Project for Independent Learning
By Angel, Heather, etc.
By Dahl, Roald
By Denys Brunsden, John Charles Doornkamp
By Thorsten Opper
By Parish, Desmond
By Andrew Brodie
By Paul Lawrence & Douglas J. Paul
By Merttens, Ruth, Ruth Merttens, Dave Kirkby
By Merttens, Ruth, Ruth Merttens
By Richardson, Carol, Kurta, Jon
By Enid Blyton
By Goudie
By Quigley
By Grossel, David, Lotherington, John, Brice, Katherine, Roberts, Adrian, Steinsberg, Caroline
By Mulryne, Professor J. R.
By Aylett, John, John Aylett
By Case, S.L., Hall, David John