Cruzar un continente (Crossing a Continent)

Which animals and plants can survive in a dry desert environment? Readers learn about the living things that make up desert food chains, including cacti, snakes, and scorpions. Colorful photographs of desert life make readers feel like they’re exploring new parts of this habitat with each turn of the page. Fact boxes provide additional information about the creatures that make up desert food chains, and a detailed food web shows how these food chains all come together. The desert is an extreme habitat, and readers will enjoy learning about the extreme plants and animals that live there.

When a bird flies by a window or a car zooms by on the highway, we often wonder how fast the two objects traveled. This book explains the concept of speed to readers while showing them accessible ways to measure it for themselves. Learning the amount of distance traveled, and how quickly that distance was covered, is a great way to implement a variety of STEM topics while practicing this essential mathematical skill.

Sharing is a social skill all children need to learn. This book presents sharing as a positive choice, then describes four ways to share. It points out that sharing goes beyond things: children can also share their knowledge, their creativity, and their time. What if they don't want to share, or someone won't share with them? These topics are covered, too. Concrete examples and reinforcing illustrationshelp children practice sharing, understand how and why to share, and realize the benefits of sharing.

Con motivo del aniversario de la llegada del hombre a la luna, Lumen visita el mundo lunático. Al término de la Segunda Guerra Mundial (1945) las dos potencias más poderosas de la época, la URSS y los EEUU, iniciaron lo que se denominó la Guerra Fría. Una de las disputas más espectaculares fue la carrera del espacio. Tanto los comunistas como los capitalistas querían conquistar el espacio exterior, o que lo pareciese. La URSS iba por delante con sus proyectos Sputnik, pero los EEUU consiguieron ganar la partida más importante: que un hombre pisase la Luna. El 20 de julio del 1969, a...