Novela de corte fantástico y fabuloso del literato Juan Valera. Nos narra la competición de muchos de los caballeros de un reino por ganar el corazón de la bella princesa. Sin embargo, el único capaz de conmoverla es el misterioso pájaro verde. Será la princesa quien se embarque en una aventura para descubrir el secreto del pájaro verde.

Learn all about the amazing things your brain does and how to keep it healthy and strong! Readers will discover the anatomy of the brain including neurons, the cerebellum, and the nervous system. Using vibrant images and informational text in conjunction with supportive diagrams, readers are encouraged to learn all about (and use) their brains.

Our solar system is full of planets, moons, comets, asteroids, and more. Let's explore our solar system and Earth's place in it.

In this enthralling nonfiction reader that features informational text, vivid photos, stimulating facts, and colorful diagrams, readers will learn all about tornadoes and hurricanes--from how they are formed to where are they are most common.

Photographs and simple text introduce children to earthquakes.

Gary the lizard has a new ball, but there is no one to play with.