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?
The Cain's Jawbone Book of Crosswords
112 fiendishly difficult crosswords, from the brain behind the bestselling Cain's Jawbone.
A paperback edition of the world's most difficult literary puzzle