Keeping Track of Books on Rome

I've taken out a bunch of guide books on Rome from CLP Main and probably should take them back but I'm listing them here so I know that the library has them.

1. Let's go Budget Rome 2012
2. Frommer's Rome 2011
3. Walking Rome (National Geographic 2012)
4. (Lonely Planet) Rome 2013
5. (Lonely Planet) Discover Rome 2014
6. Rome (Eye Witness Travel Guides) 2014