Harriet Tubman

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of money's history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

With Análisis de mapas, the Spanish-translation of the Grade 4 nonfiction text, Looking at Maps, students will learn all about maps! This engaging informational text introduces readers to map symbols, keys, map ratios, grid coordinates, and more! This engaging informational reader comes with clear mathematical charts and diagrams, easy-to-read text, and opportunities to practice reading maps with ease!

Para jóvenes lectores que además ejercen de espías, detectives, conspiradores y aventureros, este libro presenta todo tipo de sistemas, de lenguajes y de ingenios para crear y ocultar mensajes secretos. Desde las órdenes cifradas de Julio César, hasta el extraño mensaje en clave que escribió el hombre de la máscara de hierro, el código que utilizó Sherlock Holmes o la fabricación de tinta invisible, con ejercicios prácticos y un diploma acreditativo.

Many people know that Benjamin Franklin discovered electricity through lightning, but he was also a great inventor and helped write the Declaration of Independence! Young readers will learn about Franklin's life in this appealing biography that has been translated into Spanish and features plenty of vibrant images, supportive text, "Fun Fact" boxes, and an accommodating timeline, glossary, and index. This 6-Pack includes six copies of this title and a lesson plan.