Library Binding
(Heinemann/Raintree, March 1, 1990)
Compares the appearance and use of common machines such as camera, clock, telephone, bicycle, auto, train, and plane with that of the models used long ago
This is a book about a race of prehistoric giants. One girl, Gwen, discovers how to make ice cream while looking for firewood. Then she goes on a voyage to get ice from ice bergs from the North Sea.