This manual is both a guide and aid to users of The Art of Electronics. It is carefully organized to follow the chapters of the main text, providing extra explanatory notes, worked examples, solutions to selected exercises and laboratory exercises. Learning aids such as glossaries, reading assignments, objectives, data sheets and summaries are also included. The manual is a product of many years' teaching at Harvard University, which has given the authors direct knowledge of concepts that students find difficult. The extra explanatory detail makes this manual an essential purchase for students using The Art of Electronics.