Formats
Trade Ed. Harper Audio 2006
CD ISBN 978-0-06-085290-0 $44.95 Thirteen CDs
DD ISBN 978-0-06-113460-9 $32.95
Library Ed. BBC Audiobooks America 2006
CS ISBN $89.95 Ten cassettes
CD ISBN $110.95 Twelve CDs
MP3-CD ISBN $69.95 Two MP3-CDs