3 books in slipcase. Copies of: Reef Fish Identification: Florida, Caribbean & Bahamas, (4th Edition); Reef Creature Identification: Florida, Caribbean & Bahamas (3rd Edition) and Reef Coral Identification: Florida, Caribbean & Bahamas (3rd Edition) packaged in a beautifully printed shelf case. All 3 books are Flexibinding – pages are stitched in like a hardcover, but with a soft flexible field guide cover and gap at the binding allowing the book to lie flat.