Silk is an expensive fabric that is valued for its texture and durability. Learn how silk is harvested from silkworm cocoons with this STEAM book that will ignite a curiosity about STEAM topics through real-world examples. Created in collaboration with the Smithsonian Institution, this book features a hands-on STEAM challenge that is perfect for makerspaces and that guides students step-by-step through the engineering design process. Make STEAM career...