Formats
Trade Ed. Macmillan Audio 2009
CD ISBN 978-1-4272-0625-1 $44.95 Twelve CDs
DD ISBN multiple sources
Library Ed. BBC Audiobooks America 2008
CD ISBN 9780792764311 $99.95 Twelve CDs
MP3-CD ISBN 9780792765042 $59.95 Two MP3-CDs
DD ISBN multiple sources