Las Células, Constructoras de Vida

Learn about the rich history of Mission La Purísima Concepción: how it started, the people who ran it, the indigenous population, and its legacy today.

If asked to define a forest, readers might say, "It has a lot of trees." But many places have a lot of trees. So, what makes a forest a forest? Readers discover that a forest is unlike any other biome on Earth. And a temperate forest is even more specific. Readers learn the many life cycles found within a forest and how the energy pyramid explains the numbers of forest plants and animals. In addition, readers learn by examining how forces usually considered destructive work to help forests survive. 32pp.

Pit el pirata ha encontrado un viejo mapa... Y ese mapa indica que hay un tesoro escondido en una isla cercana. ¡Únete a la aventura del pirata Pit y encontrad juntos el tesoro! Una historia contada a través de fantásticas escenas pop-up con ventanas que revelan todo un mundo de piratas en 3D.

Invierno, primavera, verano y otoño--las estaciones son uno de los ciclos más familiares de la naturaleza. Pero, ¿por qué cambia el clima? Aprenda por qué los patrones climáticos cambian a lo largo de las estaciones. Winter, spring, summer, and fall--the seasons are one of nature's most familiar cycles. But why does the weather change? Learn why weather patterns change over the seasons.