¿Qué fuentes debo usar?: Fragmentar el problema (Which Sources Should I Use?: Breaking Down the Problem)

"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...

Malala Yousafzai is the youngest person ever considered for the Nobel Peace Prize. She stood up to the Taliban and nearly paid with her life. She shares her amazing story in her own words and proves that one person, no matter her age, can change the world.

Presents a variety of information on snakes, including the reproduction, the predators of the snake, and other behaviors of the snake.

13 cuentos bellamente ilustrados, recogidos en el remoto Valle de Atríz, viajan hacia tí, incansable lector, para llevarte a conocer la tradición del pueblo que vive y ama al pie del coloso Ninan-Urcu, la Montaña de Fuego, al sur, muy al sur de la tierra colombiana. Vamos juntos hasta allá.