Inteligencia artificial: computadoras y máquinas inteligentes (Artificial Intelligence: Clever Computers and Smart Machines)

A stinky look at the history of personal hygiene reveals fascinating facts, such as the invention of the toilet, how many times Queen Elizabeth I had a bath, how the first sewers were built, and much more.

Describes the U.S. Navy's Blue Angels, including their planes, the formation and maneuvers of their air shows, and team member duties. Written in English and Spanish.

Everyone has times when they feel afraid. Knowing how to recognize when we feel afraid is an important tool in self-acceptance. Learn ways in which we can understand ourselves and our friends in this nonfiction BeginningtoRead book about feeling afraid. An early social and emotional learning book with Spanishonly text, including a word list. Perfect for an early introduction to Spanish.

Una mariposa madre pone huevos. Los huevos se convierten en orugas. ¿Pero qué sucede después? Descúbrelo en esta observación paso a paso del ciclo de vida de la mariposa. A mother butterfly lays eggs. The eggs hatch into a caterpillar. But what happens next? Find out in this step-by-step look at the butterfly life cycle, now in Spanish.