Formats
Trade Ed. Harper Audio 2011
CD ISBN 9780062084941 $39.99 Twelve CDs
DD ISBN 9780062084965 $24.99
Library Ed. Recorded Books 2011
CS ISBN 978-1-4618-1683-6 $123.75 Twelve cassettes
CD ISBN 9781461807483 $123.75 Twelve CDs
MP3-CD ISBN 978-1-4618-2079-6 $49.75 One MP3-CDs