Asda, which slashed the price of the book from an RRP of £17.99 to just £5, said it had sold 450,000 copies between midnight and 4pm on Saturday.
Tesco, which sold the book for £5 if customers spent £50 in store, said it expected to have sold 350,000 copies in the first 12 hours, but a spokesman told the Daily Mail that it had soon become obvious that it had underestimated demand.
No comments yet