Traces the history of Mexican Americans and their struggle for their rights from the arrival of English-speaking Americans in the Southwest where Mexicans were already living through the rise of the C
Looks at the style of government used by the Aztec civilization, looking at their city states, their royalty, nobility, and law, as well as how their culture affected the form their government took.
Presents the culture of the Mayan empire, describing their social classes, pyramids, language, religion, calendar, writing, cities, agriculture, and art.
Introduces bloodsucking birds found on the Galapagos Islands and in certain parts of Africa, describing their physical characteristics and methods of drinking blood from other animals.
Caves are some of the creepiest and coolest places on Earth. Brave scientists known as cave geologists venture into their dark depths in order to learn more about these extreme places. Thanks to detai
This stimulating and accessible volume offers readers a fascinating view of a force known as gravity. Readers examine many scientific concepts, including Newton's laws of gravity, mass and gravitation