To celebrate the 37th Annual Whitman Coin & Collectibles Baltimore Expo, we're giving away special Limited Edition books signed by the author. Just follow us on Twitter or fan us on Facebook before the Expo begins and you'll have a chance to win one of these great prizes:

• 2010 Limited Edition Leather Red Book
• 1947 Tribute Edition Red Book
• 100 Greatest Ancient Coins - Leather Edition
• The Harry W. Bass, Jr. Museum Sylloge
• Limited Leather Edition Encyclopedia of Gold Coins - 2nd Edition
• Early US Gold Coin Varieties - Leather Edition
• Encyclopedia of Colonial and Early American Coins - Limited Edition
• The Fantastic 1804 Dollar, Tribute Edition - Limited Edition Premium Cover