Discover Sharks, Skates, And Rays: The Biology Of Elasmobranch Fishes Scripted By William C. Hamlett Displayed As Paper Edition

Probably the best overview on comprehensive chondrichthological biology, It's a dense volume, packed with information, and designed for the graduate level of study, but it's also easy enough to read and interesting if you're into sharks and rays.
As the title would suggest, the chimaeriformes are not included in this book, Successor to the classic work in shark studies, The Elasmobranch Fishes by John Franklin Daniel first published, revisedand, Sharks, Skates, and Rays provides a comprehensive and uptodate overview of elasmobranch morphology.
Coverage has been expanded from anatomy to include modern information on physiology and biochemistry, The new volume also provides equal treatment for skates and rays, The authors present general introductory material for the relative novice but also review the latest technical citations, making the book a valuable primary reference resource, More thanillustrations supplement the text, .