Themes: Engineering, Bridges, Buildings, Ancient Wonders, Nonfiction. From ancient wonders like the pyramids to tall modern skyscrapers, people have long been fascinated by building great structures. While many are constructed to solve problems, some are built purely for entertainment. Learn more about the engineering wonders of our past, present, and future. Space 8, a Hi-Lo nonfiction series for young adults, reads like an infinity of facts. This series is full of high-interest topics that grab readers from the first page. Each book features stories about fascinating people and places and engages readers with compelling information; full-color photographs and illustrations; and detailed graphic elements including charts, tables, and infographics. Readers will find these books both captivating and inspiring.