Untitled Mystery: A New Cain's Jawbone Puzzle
By John Finnemore
A brand new whodunnit in a box: the official sequel to the bestselling sensation - Cain's Jawbone.
Cain's Jawbone Box
By Edward Powys Mathers
You've seen the TikTok, but have you bought the box to solve the ultimate Novel Problem?
Cain's Jawbone
A paperback edition of the world's most difficult literary puzzle
The Cain's Jawbone Book of Crosswords
By Torquemada
112 fiendishly difficult crosswords, from the brain behind the bestselling Cain's Jawbone.