Amelia Earhart

The world around us is more powerful than we know. Discover how earthquakes, tsunamis, volcanic eruptions, hurricanes, and more have affected people and places around the world in this Spanish-translated nonfiction title. Through informational text, vivid images, and stunning facts and charts, readers will learn about disasters such as The Great Potato Famine, Hurricane Katrina, Mount St. Helens, the 1906 San Francisco earthquake, as well as epidemics and pandemics such as the bubonic plague and swine flu.

Discusses the things money can buy, what forms money can come in, including cash, check, and credit, and what a budget is.

Describes the different types of octopuses and how they search for food and defend themselves against predators.

In the United States, the ability to take informed action is becoming increasingly necessary, and difficult. This book delves into the importance of being informed and explains how not all sources of information are equal. Readers are introduced to the scientific method as a way of testing information for credibility. Students will also learn how to turn credible information into action by forming groups, protesting, contacting elected representatives, and possibly even running for office themselves someday.

Con la idea de que pensar y discutir sobre problemas matemáticos podría generar el mismo entusiasmo que practicar un deporte en equipo, en la antigua Unión Soviética surgió el singular movimiento cultural de los CÍRCULOS MATEMÁTICOS, que dejó tras de sí un intenso rastro de problemas, enfoques y textos. CÍRCULOS MATEMÁTICOS recoge parte de aquella emocionante experiencia.Es un libro de divulgación matemática dirigido a todos aquellos que sienta curiosidad por el juego mental que implican las matemáticas y que deseen indagar en sus ramas menos conocidas. También es un libro...