GRADES OR AGES: Intermediate grades. SUBJECT MATTER: Conservation. ORGANIZATION AND PHYSICAL APPEARANCE: The guide is divided into 24 experiments. It is mimeographed and staple-bound with a paper cover. OBJECTIVES AND ACTIVITIES: A specific skill or knowledge objective is stated at the beginning of each experiment. Detailed procedures are listed for each experiment, with numerous illustrations provided. Activities are about equally divided between laboratory experiments and field experiments and observations. INSTRUCTIONAL MATERIALS: The guide contains lists of books, films, charts, and illustrations for use in identifying insects and trees. STUDENT ASSESSMENT: No mention. (RT)