Since the publication of the bestselling The Frugal Gambler in 1998, Jean Scott has been busily plying her low-roller trade in casinos throughout America and sharing her exploits with the world via appearances on "Dateline," "48 Hours," and the Travel Channel. The first Frugal took the gambling world by storm by showing how small players can get in on the bonanza of casino giveaways, including free rooms, free food, and free shows...