This an applied science book that integrates science principles with forestry practices. Topics include cell structure and function, cell growth and reproduction, principles of ecology, plant anatomy and physiology, entomology, water and air quality, and preservation of endangered species. This textbook serves as an introductory forestry book that covers the principles and practices of forest management commonly utilized within the United States. Attention is given to regional differences in forests and forest management. Forest management planning for both private and public forests is discussed, along with laws and regulations that govern the use of forests. The latest technologies and their applications -- as they pertain to forest management -- are included, such as global positioning systems, uses of satellites to map forests, integrated pest management, and fire management and suppression. Each chapter addresses career options related to forests and forest management.