User blog comment:SayuriDarling/The Demigod Diaries Official Discussion Blog/@comment-5440962-20120825222410

does anyone know what the difference between these two are because if you scroll down the full description is the same but one isnt out for 12 days...

http://www.bookdepository.co.uk/Heroes-Olympus-Demigod-Diaries-Rick-Riordan/9781423163008

http://www.bookdepository.co.uk/Heroes-Olympus-Demigod-Diaries-Rick-Riordan/9780141344379?b=-3&t=-20#Fulldescription-20