Board book
details (USA).(see also: eBook (Kindle) · Audio CD)
details (United Kingdom).(see also: eBook (Kindle) · Audio CD)
details (Germany).(see also: Kindle Ausgabe)
details (Canada).(see also: eBook (Kindle) · Audio CD)
ISBN: 978-0-399-25220-4
ISBN-10: 0-399-25220-7
G.P. Putnam's Sons · 2009