Medir la velocidad (Measuring Speed)

Provides information on the tiny reptiles, including their use of color as a defense, their climbing skills, and their ability to grow back a missing tail.

Children are encouraged to celebrate and appreciate both their own and other people's differences and shows how, when people of different races and ethic backgrounds come together, they make a beautiful rainbow.

La física y la química son dos ciencias fascinantes e imprescindibles para comprender el funcionamiento del mundo que nos rodea, pero que a menudo no han conseguido ser bien entendidas por los estudiantes. El propósito de este atlas es presentar la física y la química de forma clara, amena e interesante, huyendo siempre que sea posible de la carga matemática y de las fórmulas que no sean imprescindibles. En la elaboración de este libro se ha hecho un importante esfuerzo por simplificar las explicaciones y evitar la sobrecarga de datos, aunque se han subrayado datos curiosos y...

Our teens hold the future in their hands. Battle Cry for a Generation tells us why and how to reclaim our youth for Christ. Spanish version of Ron Luce's bestseller.

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.