Too often, such information is nearly impossible to get, especially when it requires doctors to give patients useful statistics about things like treatment side effects.

FORBES: Are Doctors Afraid to Talk Math with Their Patients?

Since 1991, both the Internal Revenue Service (IRS) and the United States Census Bureau have provided some very useful statistics that show how taxpayers move between our cities and states.

FORBES: The Feds Black Out Adam Smith's Invisible Hand Of Migration

But amid all the rhetoric today about the coalition's achievements, I thought readers might find it useful to have a few key statistics.

BBC: An economic mid-term review

It offers two useful things that are not to be found in the other book (apart from lots of charts and statistics).

ECONOMIST: Why Fannie Mae and Freddie Mac need to diet