The Collins Gem series of books are a fantastic addition to any outdoor enthusiasts library, they are a perfect size for slipping in your pocket or bergan for a day or longer in the field.

The best-selling, unrivalled beginner's guide to identifying the most common species of tree in northern Europe. This is the perfect pocket guide for anyone who wants to identify those deciduous or evergreen species they may come across on hill or in dale, in the town or in the countryside.

For each tree included in the book, there is a wealth of both textual and visual identification information. Remarkably detailed illustrations show not only the overall shape of the tree but also details of leaf shape, flowers, fruits and bark.

There's also information on the origin of each species, its height, preferred habitat and growing conditions. Illustrations of cones, catkins, nuts and fruits allow you to distinguish between similar species at a glance.

The introduction covers the life cycle of trees, the establishment of woodland, people's relationship with forests and how to go about identifying trees, plus the all-important question -- what exactly is a tree?

A great guide to trees, remember the more knowledge you can have about trees expands your understanding of their uses, whether it be for carving, firelighting, shelter building or whatever use you would put them to, trees are an invaluable tools and asset in the field and are probably one of the most useful and prized resources.