Mujeres que cambiaron el mundo: Read-Along eBook

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. This 6-Pack includes six...

Families can be big or small, but all resemble each other in one aspect: they have a past and a present that, is also part of a broader history, that of a culture or race, or that of the world. The reader will see that family trees are used both by historians and everyday people who trace generations of relatives. Although family trees imply blood relations, the ties of love and friendship are often just as important.

José Bautista has only been in the Major Leagues a few years. But he's already had an amazing career in baseball. He's played in the All-Star Game, he's won awards, and he's made millions of dollars. Bautista even hit more than 50 home runs in one season! Fans love to see him knock a ball out of the park! Learn how Bautista spent years in the minor leagues before making it to the Majors. Discover the story of how Bautista never gave up on his dream of playing in the Major Leagues, even when things were tough.

Divi rtete junto a Juan y Mar a contestando las perspicaces preguntas del sombrero. En este ingenioso libro los acertijos muestran c mo los cient ficos buscan todas las posibles respuestas a un problema y comparan una respuesta con la informaci n que ya tienen, c mo eliminan lo que no encaja en una situaci n planteada y, as , llegan a la respuesta correcta. quieres hacer trucos con sombreros?