Codex Silenda - The Apprentice and the Secret Labyrinth
Codex Silenda - 7 Page Book by Brady Whitney
Codex Silenda: The Book of Puzzles – Adventure Rooms
Kickstarter of the Day: A Book that Forces You to Solve Puzzles to Unlock the Next Page – BOOOOOOOM! – CREATE * INSPIRE * COMMUNITY * ART * DESIGN * MUSIC * FILM * PHOTO * PROJECTS
A mechanical wooden puzzle book "Codex Silenda" which can not advance to the next page unless solving the puzzle - GIGAZINE
Brilliant Book's Pages Are Wooden Puzzles You Have to Solve to Continue Reading
The Arcane Shop | Home of Codex Silenda | Hudson, WI
To turn the pages of this book, you'll have to solve a puzzle first - PLAIN Magazine