Criptología digital (Digital Cryptology)

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...

Transcripción de debates entre dos Testigos de Jehová en discusión abierta contra un ateo, grabados con cámara oculta.

Introduce students to one of the greatest presidents in American history, Abraham Lincoln. In this engaging and informational Spanish-translated biography, readers will learn about the amazing things that Lincoln accomplished during his presidency, and why he is considered a hero today. Build reading skills and strengthen social studies knowledge with this engaging book!

The unsinkable luxury liner known as the Titanic may have sunk on its first transatlantic voyage in 1912, but people remain riveted to its storied legend. The collision with the iceberg in the North Atlantic was not the only mistake that was made that day. In this spellbinding volume, readers will learn about the passengers and crew aboard the doomed ship and what really happened that tragic night. Historical photographs will transport them back to the glamorous era, while the narrative paints an absorbing picture of the Titanic's sad fate.