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Whirlwind World of Hurricanes with Max Axiom, Super Scientist
6-9 år
häftad,
2010,
Engelska,
ISBN 9781429656368
Jonas Salk and the Polio Vaccine
6-9 år
häftad,
2006,
Engelska,
ISBN 9780736896450
Helps readers see how inventors, scientists and businesspeople have shaped the world.