Proyectos reales para explorar la Primera Guerra Mundial y los años 20 (Real-World Projects to Explore World War I and the Roaring ’20s)

Con La musculación racional el lector será capaz de planificar un entrenamiento de fuerza adecuado y seguro. El libro, que se divide en dos partes, introduce en la primera los conceptos clave para el entrenamiento de la fuerza y en la segunda se desarrolla, paso a paso, la puesta en práctica del entrenamiento con series de ejercicios para los niveles de iniciación, intermedio y avanzado. También se trata el entrenamiento de contra resistencia en niños, adolescentes, mujeres y personas mayores. Esta obra es la recopilación de los conocimientos teóricos que se han utilizado a lo largo...

Children learn boundaries and safety when using screens, and fun things to do when screens are off. As important as screens are in our lives, we all need to unplug, especially children. This reassuring English-Spanish bilingual picture book offers children and families a starting point for limiting screen time and making the most of the time you have with your screens and without. While screens are needed for learning and can be helpful and fun, they are not intended for use all the time. The American Academy of Pediatrics recommends consistent limits on screen time for children, and adults...

Not everyone in the United States is eligible to vote. Voting rules are different in every state. For federal elections, however, voters must have U.S. citizenship to vote. Voters must be 18 on or before the next Election Day to cast their ballot. People must live in their state for a certain period of time before being eligible to vote. All people wishing to vote must be registered by a certain date depending on which state they live in. This book explains who is eligible to vote in U.S. elections as well as who is not eligible to vote. Readers will make connections to the text through...

With life-like illustrations and simple text, books in this series introduce children to different dinosaurs and the unique characteristics. Children learn the features of each dinosaur, what they ate, and whether they were predator or prey to other dinosaurs. The books also introduce fossils and how they play a role in our knowledge of dinosaurs' existence.