books by subject
Hydrobiology

Eyewitness Quickstart: Shark (DK Eyewitness)

Observing The Countryside and Seashore

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

Killer Whales (Worldlife Library)

Blue Whales (Worldlife Library)

Gem Guide to Pond Life (Collins Gems)

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

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

Marine Electronic Navigation

PIRATES (B FORMAT)

Collins Gem - Sharks

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

Metazoa: Animal Minds and the Birth of Consciousness

The Concise Illustrated Book of Sharks

Rivers, Ponds and Lakes (Alpha Books S.)

Floodplain Management: A New Approach for a New Era

Modern Marine Salvage

Descriptive Physical Oceanography: An Introduction

Corals

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

Land Hermit Crabs (Herpetocultural Library)

Everything: Dolphins (National Geographic Kids)

Journey Under The Sea

Observing the Countryside And Seashore

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

Shells (Usborne Spotter's Guide)

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

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

The Blue Planet
