Once again, Harry Potter appears to be working magic for booksellers.
said Sunday that it sold 1.2 million copies of
Harry Potter and the Deathly Hallows
worldwide on the book's first day, breaking the retailer's single-day sales record.
The book, which is the seventh and final installment in author J.K. Rowling's fantasy series, went on sale Saturday. Borders said its first-day sales compare to 850,000 copies for book six,
Harry Potter and the Half-Blood Prince
, which was published in 2005.
Borders was selling the latest book for $20.99, a 40% discount from the $34.99 list price.
, the book's U.S. publisher, was expected to release sales figures later Sunday, according to the
Borders shares lost 20 cents Friday to close at $18.45.