By Ivan Ponting
By Anne R. Bradford
By Charlie Croker
By Barbour Publishing
By Gale, Harold
By Edward Powys Mathers
By Janet Dyson
By Igloo Books
By Martin Gardner, Dana Richards
By Bounty
By Murray, Al
By Philip J. Carter, Ken Russell
By Collins
By Hochkeppel, Willy, Wiegand, Frieda
By Hawker, Sara, Cowley, Chris
By Gardner, Martin, Martin Gardner
By Andrea Barham
By AIIA, Times Mind Games
By Sanders, Deidre, etc.
By G. T. Karber
By Ken Russell, Philip Carter (Author)
By Arcturus Publishing Limited
By Arcturus Publishing