"Every Page of This Wooden Book Is a Fiendish Puzzle" - Review on Wired.com

The Codex Silenda looks like a book, but it's actually five mind-bending puzzles.

Check out the article on the Codex that was featured in an article on wired.com

https://www.wired.com/2016/08/every-page-wooden-book-fiendish-puzzle/