The Longest Bridges

This hi/lo series will motivate reluctant readers with its amazing facts about the world's hugest structures. Each book takes readers behind the scenes of some of the tallest, longest, and biggest structures in the world and explains why they were built, who designed them, and what challenges had to be overcome in order to build them. Readers will learn about different types of construction techniques and will get a preview of even bigger structures currently in the planning or construction stage.