Cain’s Jawbone – A Novel Problem

By Edward Powys Mathers

Can you solve Torquemada’s murder mystery? An infamously difficult puzzle book in a custom-made box.

You made Cain’s Jawbone – A Novel Problem a reality. It's available in all good book stores now.
$45  + shipping
719 pledges

A Book in a Box

The 100 pages of Cain's Jawbone unbound in a box
Buy now

Sold out!

$90  + shipping
139 pledges

Head to Head

2 x The 100 pages of Cain's Jawbone unbound in two boxes, (shipped to the same address) so you can compete with a friend.
$150  + shipping
2 pledges

Tour of Shandy Hall

Your place on a guided tour of Shandy Hall, plus the 100 pages of Cain's Jawbone unbound in a box and your name in the supporters section.

Frequently Asked Questions

Where can I get my book delivered to?

We deliver to most countries worldwide. Enter your delivery address during checkout and we'll display the shipping cost when we know where to send your book.

How do supporter names work?

Every person who pledges to help to make a book gets their name included in a supporter section as a thank you. If you want to add a different name, this can be changed in your account after you have completed your pledge.

Still have a question? Visit our Help Centre to find out more.