books by subject
Invertebrates

Aquatic Miniatures (Wild, wild world of animals)

A Key to the British Freshwater Leeches: With Notes on Their Life-cycles and Ecology (Scientific Publications)

Associations between Insects and Plants (Australian studies in biological sciences series)

i-SPY Creepy crawlies: What can you spot? (Collins Michelin i-SPY Guides)

Butterflies of the British Isles: Nymphalidae: The Nymphalidae (Shire natural history)

Bugs! Bugs! Bugs! (DK Readers Level 2)

Invertebrate Zoology

Butterflies of the World

Earthworm Biology: no. 161 (Studies in Biology)

The Biology of Parasitic Protozoa: 138 (Studies in Biology)
