Richard Platt ; illustration by David Hawcock
Walker Books Ltd., 2008
書

written by Gaby Goldsack ; illustrated by Ian Dicks
Walker Books Ltd., 2009
書

[written by Jen Green]
Silver Dolphin Books, 2009
書

[written by Ian Graham ; illustrated by Sebastian Quigley]
Silver Dolphin Books, 2007
書

[written by Barbara Taylor]
Silver Dolphin Books, 2010
書

Fred Pearce ; illustrations by Piers Harper
Eden Project Books, 2010
書

written by Barbara Taylor
1st ed.. Silver Dolphin, 2011
書