The Guide to Writing Introductory College Textbooks is for *authors*. It takes an author from start to finish, from submitting a proposal to evaluating royalty statements. It gives solid advice on writing style, on the composition and placement of exercises, on layout and design, and on all the elements of a good textbook. The Guide to Writing Introductory College Textbooks is for *editors*. It shows what can be done in crafting a good textbook and gives useful advice on how to encourage authors to get the best work possible with the least heartache. The Guide to Writing Introductory College Textbooks is for *instructors*. A textbook is a teaching tool, and understanding what goes into a good one illuminates how to teach better. Dr. Richard L. Epstein has published fifteen textbooks with Kluwer, Princeton, Oxford University Press, Brooks/Cole, South-Western, and Wadsworth and other publishers. He has been a Fulbright Fellow, a National Academy of Sciences Scholar, and is currently the head of the Advanced Reasoning Forum, a scholarly institute and publishing company. He is known for his clarity of exposition and engaging style.