El regreso del cangrejo azul

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of testing. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and show how testing works in the real world. In this book, a class makes a budget so they can afford a field trip at the end of the month. This nonfiction title is paired...

¿Conoces la historia de Malala Yousafzai, la niña pakistaní que, en 2014, se volvió la más joven ganadora de un Premio Nobel por creer que la educación es la herramienta más poderosa para mejorar el mundo? Malala cree que todos los niños —independientemente del sexo, de la raza, del origen social o de la creencia religiosa— tienen el derecho indiscutible a aprender. ¡Y no se resignó cuando en su país se les prohibió a las niñas asistir a la escuela solo por ser muchachas! ¡Porque ir a la escuela era lo más importante para ella, y los libros eran su mayor riqueza! Así, ella ...

This beginner's guide offers a first glimpse into the natural world of amphibians. This addition to the acclaimed About... series uses simple, easy-to-understand language to teach younger children what amphibians are, how they look, how they move, what they eat, and where they live. With beautifully detailed, realistic paintings, noted wildlife illustrator John Sill introduces readers to a variety of amphibians, from frogs and toads to salamanders and more. An afterword provides details on the animals featured and inspires readers to learn more.

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...