This profusely illustrated making of book features Guillermo del Toro's storyboards and sketches.

From the publisher:

Released in 2001, Guillermo del Toro's The Devil's Backbone marked out the director as a singular talent with the unique ability to mix the macabre with the sublime. This book is written in close collaboration with the director and provides the definitive account of the film's creation, covering everything from del Toro's initial musings through to the haunting designs for Santi, the hugely challenging shoot, and the overwhelming critic and fan reactions upon its release. Including exquisite concept art and rare unit photography from the set, Guillermo del Toro's The Devil's Backbone gives readers an exclusive, behind-the-scenes look at how this gothic horror masterpiece was crafted for the screen.