Hydrobiology

Shells (Usborne Spotter's Guide)

By Saunders, Graham D.

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

Collins Gem - Sharks

By Potts, Geoffrey W., Swaby, Silja

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

Rivers, Ponds and Lakes (Alpha Books S.)

By Ganeri, Anita, Barber, Nicola

Floodplain Management: A New Approach for a New Era

By Bob Freitag, Susan Bolton, Frank Westerlund

Eyewitness Quickstart: Shark (DK Eyewitness)

Observing the Countryside And Seashore

By Jackman, Leslie.

Geophysical Fluid Dynamics

By Pedlosky, Joseph

Descriptive Physical Oceanography: An Introduction

By Pickard, George L., Emery, W.J., Emery Professor, William J.

Corals

By Burgess, Warren E.

Imperiled Reef: The Fascinating, Fragile Life of a Caribbean Wonder

By Sandy Sheehy (author)

Land Hermit Crabs (Herpetocultural Library)

By Philippe De Vosjoli

Everything: Dolphins (National Geographic Kids)

By National Geographic Kids

Journey Under The Sea

By Pitkin, Linda

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 Larvae of the British Ephemeroptera: With Ecological Notes

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

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

By Marjorie Guthrie

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

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

Observing The Countryside and Seashore

By Leslie Jackman

Frogs

By Badger, David, Netherton, John