Newton shows up one day with a very large, old truck tire innertube. After much discussion, it is decided that building a hovercraft would be the best use for it. The real adventure begins after construction of the hovercraft is completed. A history of hovercrafts, a full-size hovercraft blueprint, and a detailed, step-by-step diagram on building bug nets from household items are included. Please let the Professor know if you would like to read this book.