En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

Gorillas, wolves, chickens, and kangaroos. It might not seem obvious at first, but these species all have something in common: their individual members must all find their places within their groups. These power struggles can be dangerous! Read about the fierce world of animal alphas and how they make it to the top. This Spanish nonfiction book will keep students engaged in reading as they build their literacy, vocabulary, and comprehension skills. Important text features include a glossary, index, and table of contents. The Reader's Guide and culminating activity require students to connect...

If we could take a trip to the center of the Earth, what would we find? In this amazing book readers can do just that with the help of a special ship that can handle the extreme heat and pressure deep beneath Earth’s crust. Digging through a few miles of the crust is just the start of the nearly 4,000-mile journey to Earth’s core. Readers might be surprised to find that not all of the trip is through solid rock, as the intense heat does strange and amazing things to the material that makes up our planet!

Este libro ilustrado para niños contiene juegos con dados, cartas, matemáticas y otras cosas para revelar los poderes mentales que poseen los lectores.

Jennyes una mujer joven sin esperanzas y motivos para seguir con su vida. Después de un fracasado intento de suicidio, su abuela Gabby, superviviente de la guerra, una mujer fuerte y luchadora, cuida de ella con todo su amor y le enseña a valorar la vida.