La Campana de la Libertad (The Liberty Bell)

Quinta entrega de la brillante y monumental saga Tirano, que narra el épico asedio de la isla de Rodas en el año 305 a.C. Una novela ambientada en la mayor guerra de la historia de la humanidad. Hacia 305 a.C., dos hombres se enfrentaron por la hegemonía del Mediterráneo: Tolomeo, señor de Egipto, y Antígono elTuerto, señor de Asia. Y, entre ambos, la estratégica isla de Rodas y la ciudad fortificada del mismo nombre, que ninguno podía permitirse ceder al enemigo. Para Demetrio, el inteligente aunque jactancioso hijo de Antígono, Rodas era una presa que debía tomarse a toda costa....

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.

Learn how the power of a petition can give Americans the ability to create real change! This Spanish nonfiction book includes a related short fiction piece, glossary, an exciting bonus activity, and other useful tools. The fun images and meaningful text will teach students how to be responsible citizens who can improve their communities by writing petitions. This 32-page full-color Spanish book describes the purpose of petitions and how they can be used to make a difference. It also explores important topics such as laws and democracy and includes an extension activity for grade 3. Perfect...

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!