Study the essentials of organic chemistry efficiently! This e-book for bachelor and master students facilitates effective learning and is renowned for the quality of its content: – 81 short chapters present each topic in a concise manner. – Questions at the end of each unit support effective self-examination. – Studying can be limited to individual chapters to match specific university curricula. Based on the author's long teaching experience, this book has been developed from lecture scripts of courses held in the USA and in Germany. It comprises the molecular orbital model to explain covalent bonding in organic molecules, the classes of organic compounds including natural products, polymers and biopolymers, basic concepts (orbital hybridization, resonance, aromaticity), types and mechanisms of organic reactions, and essential aspects of molecular structure such as atom connectivities, skeletal isomerism, conformation, configuration and chirality.