What's the Difference?
An Endangered Animal Subtraction StoryBook - 2010
Threatened and endangered animals are found all over the world, in all different types of habitats. Readers celebrate the huge difference that caring people make for these animals while practicing subtraction skills. Each animal is presented through a clever rhyming verse and subtraction problem. Includes "For Creative Minds" section.
Publisher: Mount Pleasant, S.C. : Sylvan Dell, c2010.
Characteristics:  pages :,chiefly color illustrations ;,cm.