¿Por qué hibernan los animales? (Why Animals Hibernate)

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Many people around the world live in the forest biome. That’s because temperate forests grow in places where winter isn’t too cold and summer isn’t too hot. Readers learn that we need to care for this biome that’s in so many backyards. Simple, accessible language describes common trees and characteristics of both evergreen and deciduous forests, and full-color photographs highlight their beauty. Animals and their adaptations to this biome are addressed in the main content as well.

Take a tour around the world with just a few flips of the pages! This engaging, Spanish-translated nonfiction title features clear, vivid photos of landmarks from all around the world including the Eiffel Tower, the Great Wall of China, and the Grand Canyon.

Presents aerial photographs of various scenes from around the world including fishermen in Morocco, a farm on the island of Crete, and a mangrove forest in New Caledonia.

¿Cómo pueden tener el mismo sueño cuatro personas? ¿Por qué iban a suicidarse después de soñarlo? John Verdon, la gran sensación del thriller a escala internacional, ha vuelto con un nuevo libro que recordará a sus seguidores el ritmo cinematográfico de su escalofriante novela debut Sé lo que estás pensando .Cuatro personas que no se han visto nunca, que viven en distintas partes del país y que no parecen tener nada en común explican que han tenido el mismo sueño: una pesadilla recurrente cuyo elemento más inquietante es un cuchillo ensangrentado con la cabeza tallada de un...