La Pelota Perdida

En el Ártico, cada vez se derrite más hielo en verano. Esto es un gran problema para los osos polares, que necesitan el hielo para sobrevivir, y también es un gran problema para todo el mundo, por que todo nuestro planeta necesita el hielo del Ártica para

Describes the physical characteristics, habitats, life cycle, and behavior of different kinds of reptiles, including alligators, turtles, snakes, and lizards.

You've only got one day to spend at the carnival-how do you make the most of your time? Students will learn how to measure time while reading about a fun-filled day at a carnival! This fiction Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

A New York Times best-seller and winner of the ABBY Award features lavish illustrations of Native American settings and shares Chief Seattle's environmental message for "helping preserve what is being lost."