Diseño y construcción para jugar

"In this title, children explore the reasons why they may feel worried, how to recognize these feelings, and appropriate action to take when they feel worried."

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.

During the summer, it is warm outside. During the winter, it is cold. This is because of seasons. This Spanish science reader introduces students to the seasons. With easy-to-read text and vivid images, this book teaches students important scientific subjects and vocabulary terms like migrate, hibernate, cycle, and harvest. Aligned to state and national standards, the book contains nonfiction text features like an index, a glossary, captions, and bold font to keep students connected to the text. A hands-on science experiment helps students apply what they have learned and develops critical...

¿Qué es lo que hace que hombres y mujeres se transformen en héroes y heroínas? ¿Sus naves espaciales? ¿Las últimas tecnologías? Si queréis conocer a superhombres y supermujeres de verdad, buscadlos entre estas páginas. Los protagonistas de las más inimaginables aventuras son los héroes y las heroínas de la antigua Grecia. A partir de mitos de la tradición clásica, se repasan algunas de las figuras y tópicos más representativos de nuestro tiempo.