Britannica Educational Publishing 
Judicial Branch of the Federal Government [PDF ebook] 

The system of courts in the United States serves to enforce the laws of the nation as well as act as a check to make sure the other branches of government obey the powers set forth by the Constitution. Through a series of landmark court cases, chronicled in this book with an explanation of their lasting impact, the judiciary has shaped the laws of the nation. In addition to the powers of the judiciary and information on important Supreme Court Justices, landmark cases such as Marbury v. Madison and Brown v. The Board of Education are covered.