'New Naturalist' A survey of (British) UK Natural History

Publisher William Collins Sons & Co Ltd London (Glasgow, Sydney, Auckland, Toronto, Johannesburg)
A series of books to interest the inquiring mind of someone interested in the Natural World of the wild life of (Britain) the UK
This series is no longer published but there are many that can be bought second hand in bookshops and auctions.
Each book is on a particular subject, so without having to buy the set you can just buy on the one book, the one subject, which suits your particular interest.