Further Reading
- More discussion of the proportionality principle is given in the author's book Struck by Lightning: The Curious World of Probabilities. HarperCollins Canada, 2005. See also The Monty Hall Problem by Jason Rosenhouse, soon to be published by Oxford University Press. Finally, consider reading the original vos Savant's columns appearing in Parade Magazine on September 9 and December 2, 1990, and February 7 and July 7, 1991.