Marta

Teach students about the years of change and reform between World War I and World War II. With this Spanish-translated book, readers will learn about events such as the Harlem Renaissance, suffrage, the stock market crash on "Black Tuesday," and the Great Depression. Primary source documents and images, and other engaging features, aid students in understanding the social studies content.

"Some things are so huge or so old that it's hard to wrap your mind around them. But what if we took these big, hard-to-imagine objects and events and compared them to things we can see, feel and touch? Instantly, we'd see our world in a whole new way." So begins this endlessly intriguing guide to better understanding all those really big ideas and numbers children come across on a regular basis. Author David J. Smith has found clever devices to scale down everything from time lines (the history of Earth compressed into one year), to quantities (all the wealth in the world divided into one...

Hay muchos colores en el mundo: el marrón de la tierra, el verde de la hierba, el azul del cielo y el amarillo, el color favorito de Dani... pero, ¿existe algo en el mundo que tenga todos los colores?

¿Qué tipo de animales viven en la selva tropical? Entra a la jungla para aprender todo acerca de estas criaturas fascinantes.