5TH EDITION PAPERBACK. Never in the field of electronic design was so much owed by so many to so few components. ÒIf you are like us, you will learn something from each project, and will enjoy building themÓ (Creative Widget Works). 180 electronic projects in 7 major categories, in large Crown Quarto format. This new edition mainly adds stock designs such as oscillators and filters Ð and a few more specials, as seen in the Contents preview.