Harry Potter and The Deathly Hallows by Queen of Books Rowling
I read this one less than a day after it had been released. Oh yes, I had to wait for a week while I stood inches away from boxes of the book before I could get my grubby hands on it to read it. The stress of having to be patient might have caused both ulcers and hives.
Scholastic and Rowling: expect to receive my angry missives in your mailbox soon!