Nuestro medio ambiente en constante cambio (Our Ever-Changing Environment)

Introduce students to the structure of the United States government. With this nonfiction Spanish-translated resource, readers will learn about the three branches of government, and the purpose of this separation of powers. Primary source images and supporting text engage readers and help them better understand the content.

Descubre cuántas ideas que siempre has considerado verdaderas no son más que falsas creencias, inexactitudes o leyendas urbanas.

"A kindergarten-level introduction to polar bears, covering their growth process, behaviors, the habitats they call home."--

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

Con tres enormes problemas mentales, un hombre avanza en su vida sin saber las tragedias de las que él mismo se impresionará. No todos los caminos son felicidad y paz. En esta tragedia insólita, navegarás por los oscuros senderos de una mente enferma.