Which book broke the record for book sales in July 2007, selling 15 million copies in the 24 hours following its release?
Harry Potter and the Deathly Hallows 2007, Barnes & Noble declared that "Deathly Hallows" had broken its pre-order record, with more than 500,000 copies pre-ordered through its site. On opening day, a record 8.3 million copies were sold in the United States (over 96 per second), and 2.65 million copies in the United Kingdom. It holds the Guinness World record for fastest selling book of fiction in 24 hours for US sales. At WH Smith, sales reportedly reached a rate of 15 books sold per second. By June 2008, nearly a year after it was published, worldwide sales were reportedly around 44 million. "Harry Potter and
Becoming (book) United States in 2018, breaking the record in just 15 days. Total book sales, including hardcover, audio and e-books editions, sold around 725,000 copies in the United States and Canada during its first day, making it the second best-selling debut for any book in 2018. Bob Woodward's holds the record after selling around 900,000 copies during its first day. However, Barnes and Noble reported that "Becoming" surpassed "Fear" in first-week sales and had more first-week sales of any adult book since "Go Set a Watchman" in 2015. The book sold 1.4 million copies in its first week. After 15 days,