Endangered and extinct invertebrates

Description:

"Oahu tree snails and pink velvet worms are two examples of endangered invertebrates. Few of them exist in the wild. Other invertebrates have already gone extinct. What hurts these animals? What can you do to help?"--Page 4 of cover.

subjects: JUVENILE NONFICTION,  Rare invertebrates,  Invertebrates,  Extinct invertebrates,  Rare animals,  Endangered species,  General,  Juvenile literature,  Invertebrates, juvenile literature,  Endangered species, juvenile literature,  Extinct animals