Una bruja en casa

Practice nonstandard measurement at the zoo! This exciting, Spanish-translated title encourages readers to practice measuring their favorite zoo animals, such as elephants, giraffes, pandas, and more. A gorilla weighs the same as three men! When a cheetah runs, its stride length is the length of three men! An elephant weighs the same as three pickup trucks! Vivid images, fun practice questions, early STEM themes, and helpful mathematical diagrams make nonstandard measurement entertaining and easy for children to understand.

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Cuando el petróleo se derrama, los trabajadores se apuran en limpiar la tierra y el agua. Pero los derrames de petróleo también pueden afectar a los animales que viven en la zona. ¿Quién ayuda a estos animales? En la Costa Este un equipo de Tri-State Bird Rescue & Research se apresura para llegar al lugar y salvar a la mayor cantidad de animales posible. Continúa leyendo para aprender cómo estos expertos capturan animales que han sido afectados por el petróleo y los curan rápidamente y de forma segura para que puedan regresar a la naturaleza. Este relato ilustrado de no ficción...

Winning the American Revolution was just the first step. After defeating Great Britain, the American colonies were united in name only. How would this independent nation be governed? During the summer of 1787, representatives went to Philadelphia to solve the problem. The result, the U.S. Constitution, created a new government, establishing the foundations of a free nation and setting a new course for history.