By John Grant
By Hayden Fox
By The New York Times
By Elizabeth Jewell, Derek Jewell
By Stephenson, Hugh, Hugh Stephenson
By Fritz Spiegl
By Massingham, H.W., etc.
By Soanes, Catherine
By Igloo Books
By Compiled By Barbour Staff
By Howard-Williams, Jeremy
By The Times Mind Games
By The Puzzle Society
By Tim Moorey
By Ken Russell, Philip J. Carter
By Telegraph Media Group
By Dr Gareth Moore
By The Times Mind Games, John Grimshaw
By Anne R. Bradford
By Collins
By G. T. Karber
By Anne Stibbs
By Don Manley
By Bookoli Ltd.