Animals under logs and stones

Amphibians and reptiles

Ponds and small lakes

Landslakken van Nederland

Schelpen van de Nederlandse kust

Zoetwatermollusken van Nederland

Openbaar Groen

Guide to freshwater fishes

Guide to Orchids

British Plant Galls

Sphagnum mosses in bogs guide

Guide to the UK Cetaceans and seals

Guide to Mosses and Liverworts of woodlands

Guide to Mosses and Liverworts of towns and gardens

A Key to the major groups of terrestrial invertabrates

Key to the earthworms of UK and Ireland

Non native invasive plants of Britain an Ireland