Putrefacción y Descomposición (Rot and Decay)

Practice addition at the playground! This fun title, that has been translated into Spanish, uses examples from all around the playground to help children practice their addition and understand early STEM themes. Add up two blue swings and three red swings to get five swings! Add slides, rings, jump ropes, basketballs, and more! These familiar images work in conjunction with engaging "You Try It!" problems to encourage young readers to practice and improve their addition skills.

Este libro pretende contar la historia del I Duque de Lerma, don Francisco de Sandoval y Rojas (1553-1625), que llegó a ser un dos españoles más poderosos de su tiempo. Hombre de confianza de Felipe III, era en realidad el verdadero gobernante del reino. Nacido en una familia al servicio de la Corona, pero sin recursos económicos, logró amasar la fortuna del momento y controlar tal cantidad de oficios que perdió. Hubo numerosas voces que se levantaron contra él, entre ellas la de la propia reina.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther.

Presented in a large-size picture book format, this is the story of the Mars Rover Curiosity. It explains how it was built at the Jet Propulsion Laboratory in California, how it got its name, how it got to Mars, and what its mission hoped to accomplish. A timeline about the history of Mars exploration is provided at the end.