El ciclo del nitrógeno (The Nitrogen Cycle)

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...

Clues about the lion's physical characteristics, behavior, and habitat lead the reader to guess what animal is being described. Presented in English and Spanish. Presented in English and Spanish.

Now in Spanish—Who makes sure my suitcase gets on the right plane? This book is full of fascinating facts about everything from Halloween to braille to fire trucks.

En la pequeña comunidad budista de Dag Shang Kagyu, ubicada en el prepirineo aragonés, se dan cita las gentes más dispares en un ambiente dirigido al recogimiento y al encuentro con uno mismo, pero en el que no se puede evitar que también confluyan todas las pasiones humanas, hasta el punto de dar lugar al asesinato. El designado para investigar el caso es un inspector que acaba de cruzar el umbral de los 40 años y que no podrá impedir el desconcierto en un mundo que le es ajeno. Lejos del heroísmo, tiene que vencerse a sí mismo para seguir adelante, tarea en la que le es de...