The ideal portable companion, the world-renowned Collins Gem series returns with a fresh new look and updated material.

The ideal portable companion, the world-renowned Collins Gem series returns with a fresh new look and updated material.

A photographic field guide to 1,500 species of insects found in Britain and Ireland

A handy, pocket-sized guide to 220 of the world's spiders, Gem Spiders is the perfect introduction to these 'creepy-crawlies'

There are over a million known insect species, making them the largest of all the animal groups. Of this million, there are 100,000 species in Europe and 20,000