This book is simply amazing, even confusing. It is incoparable with everything I've read. It is a book that really speaks to who wants to read it, and that gives this condition an indefinable pleasure. Who does not want to perform a customized trip, simply by reading? Well this book is so alive in two hours takes us wherever our spirit wills ... and especially where you least expect it ... Accessible to anyone, he marveled : Can not start and not finish it!