En Mi Familia

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.

A Rube Goldberg machine is designed to perform a simple task through a series of elaborate steps. These simple machines are named after Reuben “Rube” Goldberg, an American cartoonist, engineer, and inventor. Learn how these fun machines work and ignite a curiosity about STEAM topics! Created in collaboration with the Smithsonian Institution, this informational text features a hands-on STEAM challenge that is perfect for makerspaces. Make STEAM career connections with career advice from Smithsonian employees working in STEAM fields. Perfect for school reports and projects, this Spanish book...

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

¡Bienvenido! El mundo al que llegas no es el mismo al que llegaron tus padres. El tuyo es también digital. Estás acá, aquí y ahora, pero a la vez estás en línea. Y, aunque no te acuerdes, ¡lo has estado desde antes de nacer! En este mundo hay que respetar al resto, cuidarse y ser buenas personas, ¿no? ¡El mundo digital no es tan distinto! De hecho, están muy conectados, pero debes conocerlo bien para que aprendas a protegerte, evitar riesgos y ser una excelente persona en línea.Este libro será una guía que te acompañará en tu aventura digital. Internet no es algo mágico e...