Peter's Railway a Bit of Energy by Christopher G.C. Vine

A technical story book for inquisitive minds - Grandpa tries to answer a tricky question. "Where does the little steam train get its energy from?" A simple lump of coal from the time of dinosaurs!!! This wonderful story describes the physics of energy conversion in a way children can understand. Visually exciting and it even covers photosynthesis. Watercolours by John Wardle. Age 6-12.
Binding: Paperback / softback