G Baker 
Earthworm Identifier [PDF ebook] 

What sort of worms live in your garden or paddocks? Are they orange, red, cream, pink, green, or brown and purple stripes? This booklet provides a simple identification key for most common worm species in Australia, and outlines their role in enhancing soil productivity. Tips on how to collect and preserve earthworms, and maps of the known distribution of some species are included.