Complex sentence: As of November 2008, Amazon.co.uk reported that the "Book of General Ignorance" was fourth in its five best selling titles in the ten years it has been in operation, behind the two last Harry Potter novels and "The Dangerous Book for Boys".
Split into simpler sentences: As of November 2008, Amazon.co.uk reported that the "Book of General Ignorance" was fourth in its five best selling titles in the ten years it has been in operation. Behind the two last Harry Potter novels and "The Dangerous Book for Boys".