¿Por qué me sigue la luna?

Un nuevo formato para la serie middle grade de ciencia más divertida. Pachi y su papá científico vuelven con una serie de aventuras que surgen a partir de preguntas raras. ¿Es posible fabricar un gas desde cero?, ¿el agua salada pesa más que el agua dulce? Descubre las respuestas a estas superinterrogantes de la manera más divertida: ¡con experimentos! Y la mejor parte es que puedes convertir tu casa en un laboratorio con cosas que de seguro tienes en la despensa.

Did you know that the first wheel was not invented for transportation or that the system used to create computers was based on the functionality of a sewing machine? In a fun way, this book teaches the history behind inventions that have changed the way we live, from Ancient Mesopotamia to the present. Important details appear at the bottom of each page, including the name of the inventor, the time period, and the place where it occurred.

When Maldonado, the journalist, refuses to stop publishing editorial against the dictator who rules his country, he is taken prisoner.

Read Along or Enhanced eBook: Find out what surfers need to know to have fun and stay safe in the water in this engaging, Spanish-translated nonfiction title! Invite readers to learn about the history of surfing, surfing culture, what equipment is needed, and more using vibrant images and informational text in conjunction with math skills and upper-level features such as chapter format, a glossary of terms, and an index.

Today is Mauro's Birthday. Everything is ready for the celebration; his friends have a lot of presents for him.