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.

Knowing when to say we're sorry means knowing when we've hurt someone, whether it was intentional or not. This is not always easy to do, especially for children. This book presents readers with a variety of relatable scenarios in which young people recognize the need for an apology. Readers follow Louis as he shares an embarrassing secret about Aaron with his other classmates, who make fun of Aaron. Louis feels bad for sharing Aaron's secret. What can he do? Each colorful spread presents a different real-life situation that will instill in readers the importance of knowing when to say, "I'm...

¿Llevas años sufriendo cataclismos emocionales que te han dejado la autoestima por los suelos? ¿O por el contrario has tenido una sola relación pero con tantas broncas y reconciliaciones que has hecho tuya aquella frase de Catulo que dice «no puedo vivir ni contigo ni sin ti»? Pues éste es el libro que resolverá tus problemas emocionales... O casi.

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.

Asteroids and comets shoot straight through space. They just look like bright lights with tails, but there is much more to these fascinating objects! Learn all about asteroids and comets in this Spanish-translated book. This 6-Pack includes six copies of this title and a lesson plan.