Los Rangers Del Ejercito De Ee.uu./The U.s. Army Rangers

Provides an overview of the design, uses, weapons, and equipment of U.S. Air Force bombers. Written in English and Spanish.

"Describes cutters, their design, equipment, weapons, and role in the U.S. Coast Guard"--Provided by publisher.

Describes the U.S. Air Force Thunderbirds, including their planes, the maneuvers at their air shows, and team member duties. Written in English and Spanish.

Provides The History Of Biofuels, Different Uses, Positive And Negative Characteristics, And How They Will Impact The Future.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

"Pterodactyls are one of the most fascinating ancient creatures. Now in Spanish, this carefully leveled text includes fascinating facts about these fancy flyers in an accessible format. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement."

¡A los niños les encantará aprender a contar y a sumar de la forma más divertida! Este original libro incluye números magnéticos del 1 al 20, dos cuadernillos con sumas sencillas que unas simpáticas abejas magnéticas ayudarán a resolver a los niños y una línea numérica para aprender a contar.