To secret

Hoy no hay palomitas cuenta la fascinante aventura de Rita, una niña tan curiosa como un detective, que no se apoca por nada y que es capaz de descubrir un gran misterio de la naturaleza. Este cuento, entretenido y divertido, te enseñará sobre la importancia de la tierra, la lluvia y el sol para la vida, y sobre el peligro de la degradación de los suelos…

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.

Tommy Fuller and his family help a runaway slave family follow the stars in the Little Bear constellation to freedom.

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.