I'm almost halfway reading it (found it online only a few days ago) but I like it a lot. It's about the Northern part of Scotland, UK, and it's for free. A companion volume for the bumblebees book (also for free). You just need to fill in a few questions to see who their general public is.
The site: Highland Biological Recording Group: http://www.hbrg.org.uk/Atlases.html
Highland Ants: Distribution, Ecology and Conservation by Murdo Macdonald, 2013. HBRG, Inverness. ISBN 978 0 9552211 4 9.