La compra de Luisiana (The Louisiana Purchase)

Swamps are one kind of wetland biome. Like other wetland biomes, a swamp’s water must be clean in order for the wildlife in it to thrive. Readers learn the main features of both freshwater and saltwater swamps, as well as where some of the biggest swamps are on Earth. Science curriculum topics such as food chains and conservation make the main content a great complement to classroom learning. Full-color photographs and inset maps aid readers in identifying this interesting biome in the world around them.

¿Sabías que algunos dinosaurios eran tan grandes como un edificio de tres pisos y otros tan pequeños como un gorrión? Unos cazaban en solitario y otros en grupos organizados. ¡Algunos comían piedras! Descubre cosas asombrosas de estas increíbles criaturas. Dani, Evan y Bizcoché quieren contarte todo lo que saben de ellos. ¡Una espectacular guía con más de 100 dinosaurios!

What's hidden in the woods? Look closely through three colored transparent sheets to discover hidden secrets. Start with green and nothing moves. As if by magic each sheet shows animals and plants coming to life. Watch nature's surprises emerge in front of your eyes.

A young girl explains how she and her diverse group of friends are all different from each other. In this first-person nonfiction narrative, vibrant photographs reinforce the idea of a community of students who respect each other and live in harmony. A picture-word glossary is included.

Libro de cuentos en donde el autor, con prosa limpia y precisa, va desgranando un puñado de historias conmovedoras y profundas que nos acercan a las pequeñas derrotas cotidianas con las que también construimos nuestra existencia.