Sometimes, bored with light-weight books, I need to scan a unique that ought to be properly considered - a unique with k riddles and 1,000,000 storylines. so suddenly, deep within the middle of the night, and that we vow to ourselves that another page and attend bed finally. so we tend to scan another page, and another one, and more... 10 books, from that you'll be able to not become independent from till you learn everything to the tip. Carlos Ruiz Safon "Shadow of the Wind" A puzzle book. Book-labyrinth...