Mahou Sensei Negima!
Feel free to criticize me for picking a manga. But the story is the main focus, and it's made of pages, and it's filled with text, so I still consider it a book, even if that text just happens to have pictures behind it.
But in the event that my response could get me thrown out anyway for some contrived "it doesn't pertain to the thread" technicality, let me just say that I also really like the Harry Potter series. Negima! and Harry Potter, the latter often said to be like a manga version of the former. Maybe this says something about me and my love of magic and storys about. Or maybe it just says that I just really love panty shots in manga and don't read enough books that aren't manga, and the Harry Potter series is the last "series" I got into. Personally, I'm sticking with the first explanation. Because it doesn't make me look bad like the second.