Ingeniería asombrosa: Rascacielos notables: Área (Engineering Marvels: Stand-Out Skyscrapers: Area)

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...

Intermediate Readers Examine How Animals Hibernate, Use Camouflage, And Migrate To Survive Winter Conditions.

Una recopilación a lo grande de los Súperchistes más tronchantes para partirse de risa. ¿Estás harto del cole? ¿Viajar en familia te resulta mortalmente aburrido? ¿No le encuentras la gracia a hacer deporte? ¿Te pasas el día haciendo el ganso y crees que los adultos tienen malas pulgas? ¡Lo que tú necesitas es una súper súper dosis de los chistes más tronchantes para partirse de risa!

Now available in Spanish bilingual editions, this best-selling series offers big, brainy science for the littlest listeners. Accurate enough to satisfy an expert, yet simple enough for baby, this clever board book explores the ups and downs of gravity. When baby drops food from a high chair, why does it fall? Beautiful, visually stimulating illustrations complement age-appropriate language to encourage baby's sense of wonder. Parents and caregivers may learn a thing or two, as well!