The book is a survey of 40 years of whimsical self-illustrated inventions created by the author as a personal sideline artistic and creative endeavor. The book includes over 400 illustrations of ludicrous, whimsical or marginally-plausible inventions relating to the automobile, as well as to vans, motorcycles, bicycles and unique personal conveyances. Many of the images appear for the first time in color. | Patent Depending by Steven M Johnson, Paperback | Indigo Chapters