¿Qué hacen los policías? (What Do Police Officers Do?)

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

When the Japanese attacked Pearl Harbor in 1941, it prompted the United States to enter World War II on multiple fronts. From Africa to Europe, the Pacific to the home front, explore the American experience of World War II through the first-hand documents of the war.

“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 horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

Here's another exciting set of sports-themed titles for third- through sixth-grade readers reading at a first-grade level. Help to even out the playing field for your at-risk readers with these sports heroes and hot shots.

Esta nueva colección de libros surge con el propósito de ayudar a los primeros lectores a comprender, amar y cuidar el mundo en que vivimos y que compartimos con nuestros semejantes. Se trata de obras profusamente ilustradas, con bellas y expresivas imágenes a todo color y textos directos, claros y concisos que ponen al alcance de todos los niños y niñas los conocimientos más básicos de la forma más divertida. El tercer volumen, El cielo, pone al alcance de los más jóvenes los secretos del universo, que desde siempre el hombre ha intentado descubrir, a simple vista o con aparatos...