Free to Choose is both a book (
ISBN 0156334607) and a 
ten-part television series (
http://www.ideachannel.com/FreeToChoose.htm). 
Free to Choose: A Personal Statement by Milton and Rose D. Friedman is an explanation of how the free market works, and why it can solve problems that other approaches have been unsuccessful in solving. 
Milton Friedman is an economics professor and 
Nobel Prize winner, and has written extensively on other topics in economics.
 
All Wikipedia text 
is available under the 
terms of the GNU Free Documentation License