La creación de Estados Unidos a partir de las trece colonias mediante las fuentes primarias (The Making of the United States from Thirteen Colonies Through Primary Sources)

This magnificent book uses beautiful photography to help young children understand why some oceans are warm and some are cold, which kinds of plants and animals live in oceans, and how the bodies of ocean animals are built to help them glide through water. Children will be delighted by the images of seals, penguins, polar bears, dolphins, and more.

Read Along or Enhanced eBook: Jane Goodall had a passion to learn about animals. Readers will learn all about her adventurous life among chimpanzees and other primates in this inspiring, Spanish-translated nonfiction biographical title. Children will be fascinated by the vibrant images, stimulating facts, and accessible glossary that will assist in vocabulary improvement.

Desde la aparición de su libro más emblemático, el autor ha recibido miles de cartas y correos electrónicos en los que los lectores le hacían toda suerte de preguntas. Hoy, impulsado por esa "fuerza" que, siempre lo acompaña, el periodista e investigador navarro ha decidido responder públicamente. Y lo ha hecho a cuerpo descubierto, directa y valientemente, sin rodeos ni concesiones. En este texto, Benítez selecciona las 101 preguntas más duras, tiernas, divertidas y profundas. Si su mente no dispone de un mínimo de tolerancia, no lea este libro. Tras un largo y duro peregrinaje por ...

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.