How things work
Berry, C.E.
How things work - Hong Kong Time-Life Books 1988 - 87 - Child's first library of learning .
Questions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devices work. Includes charts, diagrams, and an activities section
0809448734
000 / CHI
How things work - Hong Kong Time-Life Books 1988 - 87 - Child's first library of learning .
Questions and answers provide information about how cameras, elevators, car engines, tops, yo-yos, and other devices work. Includes charts, diagrams, and an activities section
0809448734
000 / CHI