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 Pearce, Malcolm L., Stewart, Geoffrey
By Case, S.L., Hall, David John
By Mulryne, Professor J. R.
By Aylett, John, John Aylett
By Aylett, John
By Ridgway, Bill
By Cobb, Richard, Jones, Colin A.
By Paul Lawrence & Douglas J. Paul
By Quigley
By Goudie
By Enid Blyton
By Richardson, Carol, Kurta, Jon, Jon; Richardson, Carol Kurta
By Merttens, Ruth, Ruth Merttens, Dave Kirkby
By Merttens, Ruth, Ruth Merttens
By Anon
By Bougard, Marie-Therese, Bourdais, Danièle
By Crawford, Peter