books by subject
Hydrobiology
"Savage Seas"
Seasons of the Whale: Riding the Currents of the North Atlantic
On the Marshes: A journey into England's waterlands
Leviathan
Marine Fishes: 500+ Essential-to-know Aquarium Species (PocketExpert Guide)
Salmon: A Fish, the Earth, and the History of a Common Fate
Penguins
Nudibranchs
Sharks
Cod
Ecology of Fresh Waters: Man and Medium, Past to Future
Coastal-Marine Conservation: Science and Policy
Applications of Chlorophyll Fluorescene
Stable Isotope Techniques in the Study of Biological Processes and Functioning of Ecosystems
The Shark Watcher's Handbook: A Guide to Sharks and Where to See Them
An Interpet Guide To Fancy Goldfishes :
Many Things Under a Rock: The Mysteries of Octopuses
Life Between the Tides: In Search of Rockpools and Other Adventures Along the Shore
Economic Analysis for Ecosystem-Based Management: Applications to Marine and Coastal Environments
Marine Ecology: Processes, Systems, and Impacts
The Book of the Shark
Ocean Life
Encyclopaedia of Aquaria
The Late, Great Lakes: An Environmental History
Fossils and Paleontology for kids: Facts, Photos and Fun Children's Fossil Books
Blowfish's Oceanopedia: 291 Extraordinary Things You Didn't Know About the Sea
Seashore
Shallow Seas of Wales, The
Do Whales Get the Bends?