Unfortunately, some people seem to have mistaken this item, which is a large map that comes with a very short booklet of explanations, for my full book on the subject, "The Magical Worlds of Harry Potter." The map, which was drawn by Virginia Allyn, is great. (She gets all five stars in the rating I gave it.) It's interesting and it's very funny. There's a lot of Rowling-like humor in Virginia's drawings. But obviously a map isn't going to have the same amount of information as a 40,000-word book. It's a fun poster that also happens to have substance, and it's meant for either very young fans or for those older fans who already know the background of myths and legends in Potter but want to see it all as a picture.