John Brown: El Ataque a Harpers Ferry/John Brown's Raid on Harpers Ferry

Las relaciones que se establecen en un ecosistema entre organismos de especies diferentes resultan sorprendentes e ingeniosas. Estos contactos pueden suponer desde un beneficio mutuo hasta la muerte de una de ellas para servir de alimento a la otra. Estas relaciones, a veces peligrosas, son muy variadas y a menudo requieren mucha imaginación. Disponible en catalán, para comprarlo haz clic aquí.

Many animals live in water, but only some can be defined as fish. Twenty-eight thousand species of fish exist, each with different characteristics. Readers from grades one through four will learn that fish have a distinct impact on their ecosystem and will see how fish survive when well-adapted to an uncompromised environment. Beautiful photographs demonstrate the great diversity of fish and accompany intellectually stimulating explanations of their varying roles and traits. From page to page, what a fish is unfolds in vocabulary call-outs, insightful questions, and relatable...

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make Roman myths and legends so compelling. Fully translated Spanish text.

Introduce students to civil rights leader and U.S. Supreme Court Justice Thurgood Marshall. With this Spanish-translated biography, readers will learn about Marshall's inspiring life and contributions. Engaging, primary source images and supporting text work together to help readers better understand the social studies content. Informational text features help students navigate the text.