Continentes de la Tierra (Earth’s Continents)

Destined to become an etiquette bible for girls everywhere, this comprehensive and humorous reference provides a wealth of tips and tricks for how to act, feel, and look one’s best in every situation—whether at school, at home, with friends, or with romantic interests. This is an essential manual that proves that proper etiquette goes beyond just “please” and “thank you.” Destinada a convertirse en una biblia de etiqueta para niñas en todas partes, esta referencia comprensiva y humorística provee un buen número de consejos y trucos para cómo actuar, lucir y sentirse mejor en...

The Underground Railroad was the massive effort by slaves and free people to secretly bring thousands of blacks to freedom in the North during the 19th century. This thought-provoking book will capture readers’ imaginations and fill them with awe for the brave “conductors” and “passengers” on the Railroad. They’ll learn about the many safe havens, called “depots,” that housed fugitives and the secret passages within them that hid slaves from their pursuers. Information about the American Civil War and the Fugitive Slave Act, biographies of figures vital to the Underground Railroad,...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

Young detectives will learn data analysis and probability while they are engaged in reading about crime scene investigations. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations and become more confident in their data analysis skills. With a glossary, an index, dynamic images, age-appropriate content, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest topics.