Semillas del ayer

Despues de ocho anos de su ultima obra, y siete anos despues de la publicacion de su poesia reunida, Andres Sanchez Robayna ofrece a sus lectores su nuevo y esperado libro. Como Morandi o los pintores esencialistas a la manera de Cezanne, Sanchez Robayna encuentra en los objetos, en su perfil y en la luz que proyectan, en los estimulos que configuran un momento irrepetible, ocasion para explorar los signos de la naturaleza, las claves de lo real. Sus poemas, en una lengua exacta, sin condescendencia o lo retorico, logran descigrar el mundo, elevarse sobre lo cotidiano y rozar la esencia, lo...

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.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...