Frommer's Washington,D. C. 2011 Frommer's Washington,D. C. 2004 Frommer's Washington D.C. with Kids Frommer's Washington State Washington, D. C. 2011 Frommer's Washington D.C. Day by Day Frommer's England 2011 Frommer's Boston．2011 Frommer's Caribbean 2011 Frommer's Las Vegas 2011