Elevators: Engineering Wonders Book―Grades 3-4 Interactive Book on Elevator History, Construction, Engineering With Photographs, Vocabulary, Reading Comprehension an Extension Activities (48 pgs)

Elevators: Engineering Wonders Book―Grades 3-4 Interactive Book on Elevator History, Construction, Engineering With Photographs, Vocabulary, Reading Comprehension an Extension Activities (48 pgs)

Lifted: A Cultural History of the Elevator