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...

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...

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 ...

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...

Rudy can't find his favorite sweater. He's looked everywhere: inside the house, outside, and in the apartments upstairs and downstairs. In the kitchen, in the bathroom, here, there . . . where could it be? This enchanting story has flaps, pages with cutouts, and numbers to count.

The eye-catching color of red tints delicious apples, shiny toy cars, juicy tomatoes, and so much more in the world around us. Readers of this cheerful volume are invited to recognize red in well-known objects in each photograph as well as to review important vocabulary words in at-level sentences. A simple activity at the end of the book allows them to self-evaluate their mastery of this color concept.

The pursuit and apprehension of art thieves in this activity book introduces young readers to the greatest artists and paintings of the 20th century. A hungry, art-devouring gang of mice is ruining the collection of paintings at the Museum of Contemporary Art—and they must be captured. Having only small shreds of paintings that he has found scattered through the galleries, the director enlists the readers to help him identify the ruined works and track down the culprits. La búsqueda y la aprensión de criminales de arte introducen a jóvenes lectores a los grandes artistas y pinturas del...