by Natalie Tucker
Steck-Vaughn, 1998
書

by Ginjer L. Clarke ; illustrated by Pete Mueller
Grosset & Dunlap, 2008
書

Camilla de la Bedoyere ; consultant, Steve Parker
Miles Kelly, 2008
書

by Nicola Davies ; illustrated by Neal Layton
Walker Books Ltd., 2007
書

illustrated by John Graziano
1st ed.. Scholastic, 2011
書

Christy Ullrich Barcus; foreward by Mikael Hed
National Geographic , 2016
書