Codex Silenda is a book about an apprentice in Leonardo da Vinci’s workshop who encounters puzzles that act as traps to capture spies that might try to steal his work. The hand-crafted, wooden book is only 5 pages long, but you can’t read it unless you solve the puzzles that are built into every page. Source


Complex Wooden Book Reveals Story with Solving Stages Of Puzzles

Industrial designer Brady Whitney designed an innovative puzzle, Codex Silenda, in the form of a book, which can only be unlocked and read once the puzzle is solved. The brain wracking device is diabolically complex book composed of laser cut wood panels that have mechanical keys to unhinge. 

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