Skyscrapers

by Robyn Hardyman

Book Overview

Humans have been scraping the sky much longer than most people think. In this exciting volume, readers will explore a comprehensive history of humanity's most vertically ambitious architecture and learn the fascinating geometry that makes such engineering possible. They'll also investigate technologies these man-made heights require, such as escalators, elevators, weather-resistant materials, and more. Dizzying photographs will amaze even reluctant...

• Format: Library Binding
• Language: English
• ISBN: 1499431074
• ISBN13: 9781499431070
• Release Date: December 2016
• Publisher: PowerKids Press
• Length: 32 Pages
• Weight: 0.85 lbs.
• Dimensions: 0.3" x 8.6" x 11.1"
• Age Range: 8 to 11 years
• Grade Range: Grades 3 to 6