Formats
Trade Ed. Macmillan Audio 2008
CD ISBN 978-1-4272-0545-2 $59.95 Sixteen CDs
DD ISBN multiple sources
Library Ed. BBC Audiobooks America 2008
CD ISBN 9780792756576 $119.95 Sixteen CDs
MP3-CD ISBN 9780792758167 $74.95 Two MP3-CDs
DD ISBN multiple sources