The Final Chapter   Released on July 21  Harry Potter and the Deathly Hallows  the most anticipated book of 2007  marks the seventh and final book in J.K. Rowling's magical Harry Potter series. In an announcement from the book's publisher  Lisa Holton  president of Scholastic Children's Books  said  "We join J.K. Rowling's millions of readers--young and old  veterans and newcomers--in anticipating what lies ahead."