From the Red Sea to South Africa and across the West Coast of the Americas: This book is perfectly illustrated with over 1000 photos from the natural environment of the animals on 320 pages. A must for divers and lovers of these beautiful colored animals. It is the perfect reference work to identify all of the Nudibranchs and Sea Snails of the Indo-Pacific region. The relation price/achievement is unbeatable! Second revised edition. Barnes &Nobles