¿Dónde crece el dinero? / Where Does Money Grow?

What causes sound? How does sound travel? Sound begins when matter vibrates. Without this vibration sound could not move and nothing would make any noise. Starting with tiny molecules, this book explains the main concepts of sound and furthers understanding through a series of easy-to-do experiments that will appeal to readers of all ages.

La gesta que marcó un hito en la historia samurái. ¡El épico desenlace de la trilogía Chihaya! El levantamiento del emperador por el control de Japón ha fracasado y mientras permanece prisionero en Kyoto los últimos rebeldes que apoyaban su causa se ven amenazados por la unión de las fuerzas leales al shōgun y al clan Hōjō. El enorme ejército avanza implacable desde el este haciendo temblar la tierra de Las Islas Sagradas, pero, en el centro del país, un puñado de samuráis pretende detenerlos el tiempo necesario para que los rebeldes puedan fortalecerse. Dispuestos a sacrificar ...

When it's hot outside, what can you do to stay cool? People have found many ways to cool off and cool down. How cool is that? 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 ...

Texas has had some extraordinary people. This book covers some of them, such as Melinda Gates, astronaut Shannon Walker, and Bessie Coleman, the first African American female pilot. Age-appropriate text teaches readers about Texas's most important movers and shakers, while historical and contemporary images reinforce the book's key concepts.