By a Park Ranger. Illustrated by Miriam Irwin. The John Pennekamp State Park, off Key Largo, Florida, is an underwater park. You can visit the magnificent coral reefs there by SCUBA or by glass bottom boat. This little book is 15/16" tall and describes and illustrates every type of coral that grows there. There is also a map of the underwater park and a picture of the underwater statue. Bound in coral-colored book cloth, stamped in white. Marbled end papers. 48 pages. $24.00.