Formats
Trade Ed. Penguin Audio 2013
CD ISBN 9781611761933 $39.95 Twenty-four CDs
DD ISBN multiple sources
Library Ed. Recorded Books 2013
CS ISBN 978-1-4703-8201-8 $123.75 Twenty-four cassettes
CD ISBN 9781470382001 $123.75 Twenty-four CDs
MP3-CD ISBN 978-1-4703-6895-1 $89.75 Three MP3-CDs
DD ISBN 978-1-4703-8202-5 $109.00