Includes bibliographical references (page 31) and index.
Invertebrates -- Endangered invertebrates -- Extinct invertebrates -- Helping endangered invertebrates -- What you can do -- A remarkable recovery.
"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.