Formats
Trade Ed. Penguin Audio 2011
CD ISBN 9780142429709 $39.95 Ten CDs
Library Ed. Blackstone Audio 2011
CS ISBN 9781441790156 $65.95 Eight cassettes
CD ISBN 9781441790163 $100.00 Nine CDs
MP3-CD ISBN 9781441790187 $29.95 One MP3-CDs