Books are taking a bit longer than usual to arrive, due to COVID-19. Published ebooks are delivered immediately by email.
Books are taking a bit longer than usual to arrive, due to COVID-19. Published ebooks are delivered immediately by email.
Cain's Jawbone
By Edward Powys Mathers
A paperback edition of the world's most difficult literary puzzle
You made Cain's Jawbone a reality. It's available in all good book stores now.
FEATURED REWARD
$15
+ shipping
2341 pledges
Paperback
The infamously difficult puzzle in a pocket-sized paperback.
PLUS:
- 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
1015 pledges
Two Paperbacks
Two copies of the infamously difficult puzzle in a pocket-sized paperback.
PLUS:
- 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
Frequently Asked Questions
When will my book be dispatched?
Your copy will be dispatched within 2-3 working days.
Where can I get my book delivered to?
We have temporarily stopped taking orders for published books going to EU destinations due to BREXIT restrictions, but we deliver to most other countries worldwide. Enter your delivery address during checkout and we'll display the shipping cost when we know where to send your book. If your country does not appear on the list we are not currently taking orders to that destination.
I wanted to order a copy of the box
The box is currently funding at here here