¿Caimán o cocodrilo? (Alligator or Crocodile?)

What’s the difference between a seal and a sea lion? These “second cousins” of the sea look similar, but there are many ways to tell these creatures apart. From ear shape to the noises they make to communicate, seals and sea lions are amazing creatures with both shared features and many truly unique attributes. They both share an ocean habitat, but when readers take a closer look, it’s easy to discover how they each fight off predators, mate, and raise their young in different ways. Captivating full-color photographs help to bring these marvelous mammals to vivid life.

Carmen remembers her favorite actvities from the past year. Build early literacy skills, and develop oral and written language skills in emerging Spanish readers with this leveled fiction reader.

"Dino" Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children's books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these fast dinosaurs face-to-face: The Gallimimus could outrun a sandstorm! The Struthiomimus may have been the fastest dinosaur. It could run up to 60 miles per hour! The Liaraptor ran until it took off into the air! These may have...

Students will gain a deeper understanding of the Cold War by delving into major social studies topics in this project-based examination. The volume presents a series of broad questions touching on major themes in the social studies curriculum. Each question is accompanied by several paragraphs examining that question in the context of the Cold War, as well as a detailed project that prompts readers to think critically and present their findings or opinions in a particular format, such as a poster with side-by-side comparisons, a persuasive essay, or a class presentation.

Publicado en cooperación con el programa de libre acceso GoogleTM Earth, este libro contiene una búsqueda del tesoro interactiva a través de los cientos de los sitios web de GoogleTM Earth más hermosos e interesantes. Las bellas ilustraciones y el texto evocador contienen una serie de pistas sobre lugares, gente y cosas. Para darle sentido a las pistas, se requiere la consulta de GoogleTM Earth. Pueden ser dibujos, imágenes tomadas por satélite, elementos distintivos del lugar, direcciones de un sitio a otro, conexiones temáticas, etc. Las pistas incluidas en cada doble página van de...