16 books • 12 series
The Unofficial Guide to New Orleans (Unofficial guide) (Frommer's Unofficial Guides) (Unofficial Guides) (Unofficial Guides)
New York City (Unofficial Guides, #238) (Unofficial Guides, #238) (Frommer's Unofficial Guides) (Unoffical guide)
The Unofficial Guide to Washington D.C. (Frommer's Unofficial Guides) (Unofficial Guides, #274) (Unofficial Guides, #274) (Unofficial Guide to Washington, D.C.)
The Unofficial Guide to Branson, Missouri (Frommers' guides) (Frommer's single title travel guides) (Frommer's Unofficial Guides)