La frontera dormida

"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...

In Showing Kindness, beginning readers will learn about all the ways they can be kind and considerate in their daily lives. Vibrant, full-color photos and carefully leveled text engage young readers as they discover how they can build character by showing kindness.

Un cómic sobre los mamuths y su más grande depredador: el homo sapiens. Ser un mamuth no era nada fácil. Había que buscar comida entre los amplios y fríos pastizales del norte, huir de las heladas y sobrevivir a todos los depredadores que te veían como platillo principal. Si no era una manada de dientes de sable quien te acechaba, era una de homo sapiens. Mamuth narra en formato de cómic la difícil vida de esta especie, perseguida por los antiguos humanos, y cuya extinción, se sospecha, fue causada por su caza desmedida.

Cyclists Zoe and Kate are friends and athletic rivals for Olympic gold, while Kate and her husband Jack, also a world-class cyclist, must contend with the recurrence of their young daughter's leukemia.