books by subject
Hydrobiology
Marine Biology: An Ecological Approach
Whale Nation
Whale Watching
Oceans (Media tie-in): The Threats to Our Seas and What You Can Do to Turn the Tide
Whales and Dolphins: A Portrait of the Animal World
Skylarks And Scuttlebutts: A Treasure Trove Of Nautical Knowledge
The Pets at Home Guide to Goldfish
Animals on seaweed
Marine Fisheries Ecology
The Sea Inside
National Geographic Ocean: A Global Odyssey
Whales and Dolphins
Pocket Guide to Salt Water Fishes
Dolphins and Porpoises
Around the Ocean in 80 Fish and other Sea Life
The Last Whalers: The Life of an Endangered Tribe in a Land Left Behind
The Deep: The Hidden Wonders of Our Oceans and How We Can Protect Them
Microlands: The Future of Life on Earth (and Why It's Smaller Than You Think)
The Deep: The Hidden Wonders of Our Oceans and How We Can Protect Them
Shark: Why we need to save the world's most misunderstood predator
Great Predators of the Sea
Deep Sea: 10 Things You Should Know
Seasons of the Whale: Riding the Currents of the North Atlantic
Salmon: A Fish, the Earth, and the History of a Common Fate
Marine Fishes: 500+ Essential-to-know Aquarium Species (PocketExpert Guide)
Leviathan
On the Marshes: A journey into England's waterlands
Whales, Dolphins, and Porpoises
Saved from the Sea: Tales from Sea Life Centres