eSource: Bone by Bone
![Cover: Bone by Bone: Comparing Animal Skeletons](https://assets2.titleleaf.com/lerner/product/cover/l_9780761384649_fc.jpg)
What would you be if your finger bones grew so long that they reached your feet? You’d be a bat! What if you had no leg bones but kept your arm bones? You’d be a whale, a dolphin, or a porpoise! This entertaining picture book will keep readers guessing as they learn about how our skeletons are like—and unlike—those of other animals.