This Key18 book folding pattern is for a 21cm high book and has 466 folds (so will need a book with the minimum of 932 pages)
You are purchasing a pattern to allow you to fold your own book, using the measure and fold system.
This is a PDF and is available for instant download.
This pattern has been hand drawn and is an original from Crafty Buggas which allows you to sell finished folded books but not the pattern.
Please credit the designers when selling or showing you finished folds.