Gain an overview of the Trees you're most likely to encounter or study first--Pines, firs, oaks, willows, and other tree types are covered in plain language! Illustrations, diagrams and charts will help you in your quest to understand the natural world as you start your studies. The Peterson First Guides ® are condensed versions of the Peterson Field Guides ®. 128 pages, softcover. 3.75' x 7.25'.