Introduction to Forestry Science, Second Edition, is an introductory forestry book that covers the principles and practices of forest management that are commonly practiced in the United States. Processing of wood and forest products is an important unit that points out the economic impact of forests on the U.S. economy. A complete chapter focuses on government historical events and policies that have influenced forest management practices since North America was colonized. Attention is given to regional differences in forests and forest management. Laws and regulations that govern the use of forests are also addressed. This text follows an applied science approach that integrates science principles with forestry practices. Science topics are woven throughout, and reinforced through the student s need to know feature. Topics covered include cell structure and function, cell growth and reproduction, elemental cycles, principles of ecology, the food pyramid, plant anatomy and physiology, entomology, water quality, air quality and preservation of endangered species. In addition, career options related to forests and forest management are explored. Other features include terms for understanding, student-learning objectives, chapter summaries, review questions, learning activities, and profiles on events and issues related to forests and science.