Cormac O'Brien (born 1967) is an American author.
[1][2] O'Brien is most famous for three books: Secret Lives of the U.S. Presidents,[3][4] Secret Lives of the First Ladies[5][6] and Secret Lives of the Civil War.
All three contain various anecdotes, ones which, according to the book jackets, "your teachers never told you about.
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This article about a United States writer of non-fiction is a stub.