Bloomsbury 
Concise Tree Guide [PDF ebook] 

This practical field guide, published in association with the Wildlife Trusts, includes more than 160 species of trees from Britain and the near Continent.
Each species account contains accurate artworks that show details of mature trees, leaves, growth patterns and other interesting features. A concise written account outlines further essential information, such as size, description, habitat, and distribution to help you identify trees.
The easy-to-follow layouts and illustrations help in quick and precise identification, making this book an invaluable reference source.