This book describes machines used on the sea, such as powerboats, supercarriers, nuclear attack subs, supertankers, hovercrafts, cruise ships, and luxury yachts, and what they can do.
Explains displacement and fundamentals of sailing, gives directions for building a catamaran and a hovercraft, and suggests experiments showing how things float.
The last thing Amanda wants to do is spend a week in the forest with her classmates, who make her life miserable; however, when she and Philip, the class bully, overturn their raft on the white water, they begin a week-long struggle for survival.