La fiebre del oro (The Gold Rush)

Over the years, people have looked for ways to improve our imperfect sight. This has led us to the world of optics, which is the study of light and how it travels. What are some of these innovations that have changed how we see the world, and how do they work? Find the answers to these questions with this Smithsonian Informational Text! Created in collaboration with the Smithsonian Institution, this text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step...

The London Eye opened on March 9, 2000. Although it hasn't been there long, the London Eye has already become an iconic symbol of London. No trip to London is complete without a visit to the London Eye! Learn about the history and creation of Europe's tallest observation wheel as you build your arithmetic skills! This Spanish math book combines math and literacy skills, and uses real-life examples of problem solving to teach subject area content. The full-color images, engaging sidebars, practice problems, and math diagrams make learning math relevant and fun. Text features include a table of ...

Rain, sunshine, warm fronts, and cold fronts. Have you ever listened to a weather report? Knowing the weather can help us plan ahead. But reporters aren’t the only ones who can track weather. You can, too! This nonfiction Spanish book explores the subject of meteorology in depth, and introduces students to important scientific concepts and vocabulary like anemometer, barometer, air pressure, warm front, cold front, rain gauge, probability, Celsius, Fahrenheit, and more. The colorful images, diagrams, sidebars, and text features will keep students connected to the text. Aligned to state and...

Un primer libro de conocimientos sobre los animales de granja. Con solapas, texturas e ilustraciones que nos muestran con detalle cómo es el conejo, el pollito, el cerdo o la vaca, entre otros animales y nos permiten descubrir cómo son, qué comen y cómo se llaman sus pequeños. ¡Para responder a las preguntas de los más pequeños!

Superando con creces el rotundo éxito de Cometas en el cielo más de seis millones de ejemplares vendidos en treinta idiomas la segunda novela de Khaled Hosseini saltó de inmediato al primer puesto en todos los países donde se ha publicado. Nueva demostración del asombroso instinto de gran narrador de que goza el autor, el libro cuenta la conmovedora historia de amistad entre dos mujeres afganas de orígenes muy dispares, cuyos destinos se entrelazan por obra del azar y de las convulsiones que ha sufrido Afganistán en los últimos treinta años. Hija ilegítima de un rico hombre de...

This book is a comprehensive, practical presentation of the principles of behavior modification and guidelines for their application. It teaches forms of behavior modification ranging from helping children learn necessary life skills to training pets, to solving personal behavior problems.

This Spanish book provides firsthand accounts of history that give personal insights into historical events. This primary source book focuses on the lives of Native Americans as pioneers began moving west during the 1800s. Students will explore significant historical events such as the Indian Removal Act, the Trail of Tears, the Seminole Wars, Red Cloud's War, the Battle of the Little Bighorn, the Nez Perce? War, Wounded Knee, and more. With a visually appealing layout, this ESL book features captivating text, fun facts, sidebars, and time lines that help students grasp the essential concepts ...