Nellie Wilder 
Construir faros [PDF ebook] 

Lighthouses have helped sailors navigate for centuries. But lighthouses are not built like they used to be. Learn how innovations like computers and solar power have improved lighthouses over time. Created in collaboration with the Smithsonian Institution, this STEAM book will ignite a curiosity about STEAM topics through real-world examples. It 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 connections with career advice from actual Smithsonian employees working in STEAM fields. Perfect for English language learners, this Spanish book builds young readers‘ foundational literacy skills.