Marine flatworms are some of the ocean's most beautiful of those creatures that can be encountered by divers, snorkelers or simply lovers of marine life under water or in the intertidal zone. They are relatively simple animals with soft flat bodies. In this book we will focus on the free-living highly diverse marine flatworms of the order Polycladida. Often confused with nudibranchs, they are falling under the completely different phylum platyhelminthes (Platyhelminthes, Greek "platy" flat; "helminth" worm.) The book covers the region from the Red Sea, East and South Africa to Hawaii, Marshall Islands and Guam. Inside the book: