David Olsen

David Olsen (Columbia, MD) is the author of the bestselling"The Words You Should Know". Michelle Bevilacqua (Avon, MA) is a former editor with Adams Media and the author of "More Words You Should Know". Justin Cord Hayes (Winston-Salem, NC) is the author of "101 Things You Didn?t Know About Casino Gambling" and "747 Things to Do on a Plane" among others.