This manual is designed to prepare students for entry-level positions as tree care professionals. Addressed in the individual chapters of the guide are the following topics: the tree service industry; clothing, eqiupment, and tools; tree workers; basic tree anatomy; techniques of pruning; procedures for climbing and working in the tree; aerial lifts; tree identification; identification and treatment of tree problems; and other tree care operations. Appendixes to the manual contain first aid procedures and lists of selected common plants of North America, followed by references and a glossary. Each chapter begins with a set of objectives followed by instructional text. (MN)