Corrected entry: Corso is sitting on his bed in the Sintra Hotel and he notices the cloth (which he had wrapped the book in before he hid it behind the mini-bar fridge) lying on the floor. It makes no sense that after pulling out the mini-bar fridge from the cupboard to find the book, the thief would have bothered to put the mini-bar fridge back and the tray of glasses etc. back on top, then close the door of the cupboard.
wizard_of_gore
24th Feb 2009
Correction: Character decision, not a movie mistake. The thief probably did not want Corso to realize the book was gone immediately, but forgot about the cloth.
wizard_of_gore ★