

🧠 Crack the code, join the elite puzzle solvers!
Unbound Cain's Jawbone is a uniquely interactive mystery novel by Edward Powys Mathers, blending literature with a challenging puzzle format. Weighing just 0.4 pounds, this print book has earned a stellar 4.6-star rating from over 4,300 readers and ranks impressively in puzzles and logic game categories. Ideal for readers who love immersive, brain-teasing experiences, it offers fast, free shipping and easy returns.

| Best Sellers Rank | #36,880 in Books ( See Top 100 in Books ) #162 in Logic Games & Brain Teasers #165 in Puzzles #369 in Hobbies & Games for Young Adults |
| Customer reviews | 4.6 4.6 out of 5 stars (4,329) |
| Dimensions | 10.8 x 1.91 x 17.15 cm |
| Edition | 1st |
| ISBN-10 | 1800180799 |
| ISBN-13 | 978-1800180796 |
| Item weight | 1.05 Kilograms |
| Language | English |
| Print length | 100 pages |
| Publication date | 8 July 2021 |
| Publisher | Unbound |
R**R
Great Gift!
Bought this as a gift for a friend who likes mysteries. It's suppose to be fully interactive for the reader and makes them feel immersed in the mystery they are trying to solve.
M**A
Amazing challenge
If you have the patience, 100% recommend
S**H
Love
Love it
S**R
Book
Good
A**N
Not what’s advertised
This crime novel was advertised as a a collection of cards so all you have to do is put them in order. But this came as a book with cover and scissor marks on the page. I’m not cutting all 100 pages, too much of a hassle.
B**D
Brilliant
O**M
It's just a book. It's what's printed in it that matters. The puzzle is very interesting. It might take me a couple of months to solve if I'm being honest
H**R
Perfect condition...
A**E
Tellement dur de résoudre l'énigme, bon courage !
Z**L
It's a really cool format and concept. Though sometimes it was a little difficult to understand since I am a non-native English speaker. But learned new words :)
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