Lo que el Frente Polisario esconde

Life in the Southern Hemisphere is bitterly cold for most penguins, but they don't seem to mind. Most penguins live in large colonies on the coast of Antarctica or on nearby islands. Readers explore penguin colonies for themselves, learning fun facts about these beautiful birds with the help of accessible text. Readers learn how penguin families work together to feed their young and keep them warm. A helpful graphic organizer aids in reader understanding. Readers will enjoy detailed images of penguin species at home in the Antarctic with every turn of the page.

When many think of the Constitution, they think of the Founding Fathers: Thomas Jefferson, John Adams, Benjamin Franklin...but neither Jefferson nor Adams even signed it. Facts like this will surprise readers, while further information will enlighten them about both the crucial document called the U.S. Constitution as well as about its creation and ratification. This essential volume is a significant addition to any elementary social studies collection.

The greatest thinkers of humanity at your fingertips, in minutes! If you thought you would never be able to understand the essential classic authors, you were wrong! With our "Summarized Classics" collection, you will understand the main ideas of the most important thinkers in a very short time and with little effort. The present volume covers the central axes of this discipline. Among them, the reader will find an analysis of Treatise On Civil Government (1690), among others, and a glossary.

Desde dinosaurios y vikingos hasta robots y batallas famosas, descubre la increíble historia del mundo a través de las líneas del tiempo Lleno de datos sorprendentes y asombrosos, como el pirata más sanguinario de todos los tiempos o el primer crimen que se resolvió mediante el estudio de las huellas dactilares, este libro te guiará por un viaje vertiginoso a través de la historia, desde el Big Bang al mundo moderno. Más de 120 líneas de tiempo te brindan todo el conocimiento general que necesitas, ¡incluso algunas curiosidades sorprendentes! Los hitos imprescindibles y los...