| title | media type | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|---|
| Short Bike Rides® in and around Philadelphia, 3rd | Paperback | 978-0-7627-0408-8 | 1999 | Ann Lembo |
| The Unoffical Guide? to South Florida including Miami and the Keys | " | 978-0-7645-6247-1 | 2001 | Levin Marcia · Molly Arost Staub |
| The Unoffical Guide to Washington D.C. | " | 978-0-02-862778-6 | 1999 | Bob Sehlinger · Eve Zibart |
| The Unofficial Guide to Chicago | " | 978-0-470-04207-6 | 2007 | David Hoekstra · Laurie Levy |
| The Unofficial Guide to Chicago | 978-0-470-17718-1 | 2007 | ||
| The Unofficial Guide to Chicago | Paperback | 978-0-7645-7558-7 | 2005 | |
| The Unofficial Guide to Chicago | " | 978-0-7645-6754-4 | 2003 | Bob Sehlinger |
| The Unofficial Guide to Chicago | " | 978-0-7645-6248-8 | 2001 | " |
| The Unofficial Guide To Chicago | " | 978-0-02-862779-3 | 1999 | " |
| The Unofficial Guide to Chicago | " | 978-0-02-862032-9 | 1997 | " |
| The Unofficial Guide to Chicago | " | 978-0-02-860494-7 | 1995 | " |
| The Unofficial Guide to Miami and the Keys | " | 978-0-02-862765-6 | 1998 | Bob Sehlinger · Arthur Frommer |
| The Unofficial Guide to Miami and the Keys | " | 978-0-02-861270-6 | 1996 | Bob Sehlinger |
| The Unofficial Guide to San Francisco | " | 978-0-471-77638-3 | 2006 | Richard Sterling · Menasha Ridge Press |
| The Unofficial Guide to San Francisco | " | 978-0-7645-4193-3 | 2004 | Richard Sterling |
| The Unofficial Guide to San Francisco | " | 978-0-7645-6578-6 | 2002 | Richard Sterling · Michelle Fama |
| The Unofficial Guide to San Francisco | " | 978-0-02-863725-9 | 2000 | Bob Sehlinger · Richard Sterling |
| The Unofficial Guide to San Francisco | " | 978-0-02-862249-1 | 1998 | Bob Sehlinger · Richard Sterling |
| The Unofficial Guide to South Florida including Miami and the Keys | " | 978-0-7645-3947-3 | 2003 | Lea Lane · Marcia Levin |
| The Unofficial Guide to the Great Smoky and Blue Ridge Mountains | " | 978-0-02-861897-5 | 1997 | Bob Sehlinger · Bob Surkiewicz |
| The Unofficial Guide to the Great Smoky and Blue Ridge Mountains | " | 978-0-02-860079-6 | 1995 | Bob Sehlinger |
| The Unofficial Guide to the Great Smoky and Blue Ridge Region | " | 978-0-7645-6215-0 | 2001 | " |
| The Unofficial Guide to Washington, D.C. 1996 | " | 978-0-02-860666-8 | 1995 | Bob Sehlinger · Eve Zibart |
| The Unofficial Guide to Washington, D.C. 1997 | " | 978-0-02-861242-3 | 1996 | Eve Zibart · Bob Sehlinger |
| The Unofficial Guide to Washington, D.C. | " | 978-0-470-04208-3 | 2007 | Eve Zibart |
| The Unofficial Guide to Washington, D.C. | " | 978-0-7645-7557-0 | 2005 | |
| The Unofficial Guide to Washington, D.C. | " | 978-0-7645-6740-7 | 2003 | Bob Sehlinger · Eve Zibart |
| The Unofficial Guide to Washington, D.C. | " | 978-0-7645-6249-5 | 2001 | Bob Sehlinger · Eve Zibart |
| The Unofficial Guide to Washington, D.C | " | 978-0-02-862036-7 | 1997 | Bob Sehlinger · Eve Zibart |
J. S. · J. Scheurkogel · J. Sirchis · Joe Siracusa · Joe Skrakowski
Globe Pequot · John Wiley & Sons · Macmillan · Wiley