Is there still room in your carry-on for a travel guidebook? Both the recession and digital changes have cut into guidebook sales. The result: Google (GOOG) is reportedly pulling the plug on the print editions of Frommer's travel guides. The BBC has sold Lonely Planet. What do you rely on? Some Web-savvy travelers still wouldn't dream of heading out without advice in print. Others have gone all digital. Where do you stand? Are you a guidebook junkie or an app-only traveler? Take our survey below and add your thoughts.