Explore the fascinating history and cultural significance of calendars. This paperback book delves into why humans are driven to record time, the origins of different calendar systems across cultures, and their profound importance. Developed in collaboration with the Smithsonian Institution, this informational text integrates STEAM topics with real-world examples to enhance reading skills and spark curiosity. It's filled with engaging factoids, informative sidebars, and a hands-on STEAM challenge that guides students through the engineering design process, ideal for makerspaces. Discover engineering innovations that address real-world problems, covering all aspects of STEAM: Science, Technology, Engineering, the Arts, and Math. The book also features career advice from Smithsonian STEAM professionals, making STEAM career connections accessible. A perfect resource for understanding timekeeping and its impact across societies. Summary: The Culture of Calendars by Dona Herweck Rice, Smithsonian Informational Text, STEAM book, engineering design process, cultural history of timekeeping, calendar systems, reading comprehension, makerspace activity, STEAM careers.