SparkCharts(tm):The information you need-concisely, conveniently, and accurately.   Created by Harvard students for students everywhere, these study companions and reference tools cover a wide range of college and graduate school subjects, from Business and Computer Programming to Medicine, Law, and Languages. They'll give you what it takes to find success in school and beyond. Outlines and summaries cover key points, while diagrams and tables make difficult concepts easier to grasp.   Useful for AP World History students as well as those who need a general reference, this six-page timeline covers: Events, people, and places from 40,000 B.C.E. to today Political and military developments Scientific and technological advances Cultural movements