Gives a summary of the history of the Maya Empire, placing it within the context of its time period and geographical location. This book explores the evolution of Maya civilization from its origin through the classic period to the Spanish conquest. It includes Maya achievements in mathematics, astronomy, political organization, and the arts.

Mesopotamia, the land between the Tigris and the Euphrates rivers, was the site of the world's first stable civilizations, including Sumer, Babylonia, and Assyria. This title details the development of this area, the growth of its city-states, the daily life of its people, and how their influence is still felt today.

Beginning about 1200 CE, the Mali, Songhay, and Ghana empires spread their sequential influence across the western horn of Africa. This title discusses the vital role salt and other natural resources played in the development of the empires, the rich and diverse cultures, and the influence of the Islamic Empire on every day life.

Illness and disease may be caused by bacteria or viruses, or may be due to genetic or environmental factors. Increasingly, young Americans battle disease every day. With 66 percent of Americans overweight and 51 percent of American children overweight, diseases such as hypertension, heart disease, and diabetes are more common than ever before.

Ms. Hansen and the Explorers are very interested in learning--they want to know everything they can about the human body. But they aren't alone The Zelmans, Xeni and Zeno, have come from their planet to learn about Earth's beings too They travel past the eyelids, through the eyes, into the optic nerve to learn how the eyes provide the sense of sight. Come along as the Explorers and their favorite guests tour the eyes. Graphic Planet is an imprint of Magic Wagon, a division of ABDO Publishing Group. Grades 3-6.

Under the leadership of Chinggis Khan and his descendants in the 13th century, the Mongols quickly built an empire that stretched from Korea to eastern Europe. This title details how the Mongols were able to sweep so swiftly and so effectively across the Asian steppes and establish a great empire - and why, it was an empire they could not control.

Guides readers to various career possibilities in the field of public safety and law enforcement. This book profiles such careers as: counter-terrorism consultant; firefighter; forensic specialist; paramedic/EMT; park ranger; parole officer; police officer; private investigator; and, security consultant.

Identifying important skills or qualities needed to succeed in law and justice fields, as well as self-assessment questions, advice on ways to reach career goals, and helpful tips for career changers, this informative guide provides the information readers need to know to find a career in these fields.

The field of human services offers a wide range of careers for job seekers of all ages. This title profiles such careers as: event planner; funeral director; life coach; marriage and family counselor; personal assistant; professional organizer; retirement home manager; social worker; substance abuse counselor; and, therapist.

Presenting readers with the tools necessary to take their hospitality and personal care career in a different direction, this title explores the ins and outs of this field. This title profiles such careers as: dog groomer; floral designer; gaming service worker; hair stylist/beautician; interior designer; medical assistant; and, personal shopper.