The first book in thePotter series -- "Harry Potterandthe Philosopher's Stone" (retitled "Harry Potterandthe Sorcerer's Stone" in the United States) -- was an overnight bestseller.
K. Rowling's eagerly anticipated Pottermore website (www.pottermore.com) is a specially-created limited edition of Reader Wi-Fi (PRS-T1) which includes a voucher that enables HarryPotter fans to download the first HarryPotter eBook title, HarryPotterandthe Philosopher's Stone, from Pottermore.