Aqui hay gato encerrado

¿Y si un día encuentras un manuscrito misterioso oculto en un viejo libro? ¿Y si leyéndolo descubres que existe un pasadizo secreto que te permite viajar en el tiempo? Sí, sí, viajar en el tiempo. Solo tienes que seguir leyendo. Página a página, la Historia se irá abriendo ante ti y podrás oír, oler, ver, sentir, vivir, algunos de los momentos más decisivos y emocionantes de nuestro pasado. Viajarás en una galera romana. A lomos de un corcel árabe visitarás la fabulosa Córdoba de los emires y califas. Derribarás murallas, defenderás castillos, levantarás catedrales....

Give students insight into the Industrial Revolution, how it influenced innovation and employment in the United States, and how it changed the lives of Americans at the beginning of the 20th century. With this nonfiction Spanish-translated book, readers will learn about assembly lines, patents, labor unions, child labor laws, labor unions, muckrakers, and immigrant and slave labor. Colorful images, supporting text, a glossary, and other features keep students engaged and help them better understand the content.

The use of calendars dates back thousands of years. Why are we driven to record time, and what would happen if we did not? Who created the concept of calendars? Why do different cultures use different calendar systems? And why are calendars so important to us? It is about "time" we found out! Created in collaboration with the Smithsonian Institution, this Spanish-translated Smithsonian Informational Text builds reading skills while engaging students' curiosity about STEAM topics through real-world examples. Packed with factoids and informative sidebars, it features a hands-on STEAM challenge...

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.