Cain's Jawbone
By Edward Powys Mathers
A paperback edition of the world's most difficult literary puzzle
Pre Sales are now open
FEATURED REWARD
$15
+ shipping
113 orders
Paperback
Pre-order the infamously difficult puzzle in a pocket-sized paperback for delivery in Feb 2021. Exclusively available from Unbound (in bookshops September 2021).
PLUS:
- Free Cain's Jawbone pencil
- Room for notes at the bottom of each page
- Printed 'cut here' lines for those who want to remove pages
- Attempted solutions will still be marked
- All correct answers will receive £250 Unbound credit voucher
$30
+ shipping
40 orders
Two Paperbacks
Pre-order two of the infamously difficult puzzles in a pocket-sized paperback for delivery in Feb 2021. Exclusively available from Unbound (in bookshops September 2021).
PLUS:
- Free Cain's Jawbone pencil
- Room for notes at the bottom of each page
- Printed 'cut here' lines for those who want to remove pages
- Attempted solutions will still be marked
- All correct answers will receive £250 Unbound credit voucher
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