By Axe
By European Language Institute
By Fox, Hayden
By Macauslane, J.A.
By Market House Books Ltd
By Bradford, Anne R.
By Telegraph Group Limited
By Reid, Jim
By Gillian Clark
By The Times Mind Games
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 Puzzle Society
By Tim Moorey
By Ken Russell, Philip J. Carter
By Telegraph Media Group
By Dr Gareth Moore
By Anne R. Bradford