Siglo XXI: Misterios del espacio sideral

Readers are given helpful information about the dangers of drugs and alcohol, including narcotics, hallucinogens, and prescription medications in this informative nonfiction reader. Through detailed images, diagrams, Spanish-translated informational text, an index, a glossary of terms, and a list of websites that provide additional information, readers are given the tools and information they need to educate themselves about addiction, drug abuse, the health and social issues that drugs and alcohol can cause, and how to say no to peer pressure.

Llega la segunda parte de los chistes para minecrafters la serie que reúne el humor más alocado y los elementos propios del universo Minecraft: más de 800 juegos de palabras y chistes para verdaderos amantes de Minecraft.

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

¿Qué es un virus? ¿Cuántos hay a nuestro alrededor? ¿Dónde viven estos microorganismos invisibles al ojo humano? Las respuestas, adaptadas a lectores de todas las edades. Después de las pupas y los mocos, es el turno de los virus, el tercer título de la exitosa colección " La vida secreta de...". Las ilustraciones son también de Mariona Tolosa Sisteré. Una herramienta para familiarizar a los más pequeños con los virus, saber cómo protegerse de estos y descubrir que la mayoría son inofensivos. Contenidos rigurosos y muy accesibles, escritos por el colectivo de mujeres...

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to page, what a fish is unfolds in vocabulary call-outs, insightful questions, and relatable...