Dropping In On... Chicago introduces readers to "The Windy City" that welcomes 40 million tourists each year. From skyscrapers to sports teams, readers will strengthen their reading comprehension skills as they learn all about the third most populous city in the United States. The Dropping In On... series takes students on educational field trips that reach new, adventurous heights. Each 32-page book allows readers to explore an exciting U.S. city to learn about its history, architecture, places to visit, and more. Featuring real-life photographs, before- and after-reading activities, websites to visit, and more, this series engages and entertains young learners.