Hydrobiology

Collins Gem - Sharks

By Potts, Geoffrey W., Swaby, Silja

Blue Machine: How the Ocean Shapes our World

By Czerski, Helen

To Sea and Back: The Heroic Life of the Atlantic Salmon

By Shelton, Richard

Lost Ocean: An Inky Adventure & Colouring Book

By Basford, Johanna

Sharks of Tropical and Temperate Seas (Nature S.)

By Johnson, R. H.

Frogs (Worldlife Library)

By Badger, David

The Blue Planet

By Byatt, Andrew, Fothergill, Alastair, Holmes, Martha, Attenborough, Sir David

Observing The Countryside and Seashore

By Leslie Jackman

Flies for South African Waters: A Waterside Guide to Fly Selection

By Hansford-Steele, Bill

Killer Whales (Worldlife Library)

By Heimlich-Boran, Sara, James

Blue Whales (Worldlife Library)

By Calambokidis, John, Steiger, Gretchen

Gem Guide to Pond Life (Collins Gems)

By Manuel, Richard

Observer's Book of Aircraft (Observer's Pocket S.)

By Green, WILLIAM

A World in a Shell: Snail Stories for a Time of Extinctions

By Dooren, Thom Van

Marine Electronic Navigation

By Appleyard, S.F.

PIRATES (B FORMAT)

By Johnson, Charles

Shells (Usborne Spotter's Guide)

By Saunders, Graham D.

Observing the Countryside And Seashore

By Jackman, Leslie.

Modern Marine Salvage

By William I. Milwee

Frogs

By Badger, David, Netherton, John

Fishing: Impossible: Three Fishing Fanatics. Ten Epic Adventures. The TV Tie-in Book to the BBC Worldwide Series with ITV, Set in British Columbia, ... Africa, Scotland, Thailand, Peru and Norway

By Charlie, Jay, Blowfish, Bartley, David

Key to the British Fresh and Brackish Water Gastropods (Scientific Publications)

By Macan, T. T., Cooper, R. Douglas

Animals of the Surface Film (Naturalists' Handbook): 12 (Naturalists' Handbooks)

By Marjorie Guthrie

Key to the Larvae of the British Ephemeroptera: With Ecological Notes

By Elliott, J.M., etc., et al

Rivers, Ponds and Lakes (Alpha Books S.)

By Ganeri, Anita, Barber, Nicola

A Natural History of Shells (Princeton Science Library): 15

By Vermeij, Geerat J.

Metazoa: Animal Minds and the Birth of Consciousness

By Godfrey-Smith, Peter

The Concise Illustrated Book of Sharks

By Steel, Rodney

The Deep Ocean: Life in the Abyss

By Allcock, Louise, Vecchione, Michael, Priede, Imants, Haren, Hans van

Floodplain Management: A New Approach for a New Era

By Bob Freitag, Susan Bolton, Frank Westerlund