Textbook in PDF format A 4-book series that provides a student-centered approach to the first-year undergraduate course in Organic Chemistry used at the University of Michigan. The books are designed to expand the pedagogical mission of a standard textbook with detailed explanations, a guided analysis of important ideas, and a scaffolded set of open response questions to be worked on and filled in as the learner progresses. The approach is practical and to the point, reflecting the benefits of learning from thousands of students over 40 years. The writing style favors a more personal story-telling narrative that emphasizes explanation