La exploración del espacio (Space Exploration) 6-Pack

The nineteenth century was a time of huge growth and prosperity for California. Although the Gold Rush lasted only seven years, California provided other opportunities for those who emigrated there in search of a better life. This Interactiv-eBook focuses on the history of San Francisco, Los Angeles, Sacramento, and Fresno, and the people and events that influenced their transformations from small towns to booming cities. This nonfiction text builds literacy and social studies content knowledge through the use of intriguing primary source documents like maps, letters, images, articles, and...

When the Louisiana Territory was added to the United States in 1803, it about doubled the size of the young nation. It took years to clarify its boundaries and explore every square mile. How this momentous purchase came to be and its implications on the future of the United States are explained in detail in this book. Uncomplicated maps and simple language help developing readers and those in need of review to understand the many changes in this land that started with its purchase in 1803.

The traditional family is going to have to make room for Grandma, Nana to come live with them. Readers learn about the family unit. Books of the Neighborhood Readers Program build early literacy skills, introduce important content-area language, and help develop speaking and writing skills. They can be integrated into any existing language arts or core reading programs.

Hay aventuras que, por el sólo asunto que tratan, abarcan toda una vida e influencian a mucha generaciones o a una gran cantidad de personas de una misma época. Durante muchos años se había estado intentando, por parte de los europeos, llegar hasta el Asia y, principalmente, a China. Nadie había podido hacerlo, nadie había partido en este intento y regresado sano y salvo... Hasta que el personaje de este libro lo intentó. Este viajero universal nos relata el ambiente de la Venecia del siglo XIII, los preparativos del extraordinario periplo que emprendió hacia China, las aventuras que...