A massive security operation is underway to ensure that the next Harry Potter book makes it on to the bookshelves before the internet.
The latest instalment of the multi-million pound franchise has been hotly anticipated by both fans and critics.
Harry Potter and the Half Blood Prince is expected to be a massive worldwide success.
Scholastic, the publishing company that will release the book in the US, has been keeping a close eye on the firms used to help in the distribution exercise.
