Free Lonely Planet City Guides for iPhone until February 4

Some Lonely Planet City Guides for iPhone, iPad and iPod Touch are free until February 4 at 9 pm ET. This is a $6 price drop and free is the lowest possible price, so hurry up.

Guides' features include offline maps, location-based navigation, points of interest, image galleries, and editorial content.

Here are the links to free guides:

• Lonely Planet Boston City Guide
• Lonely Planet Chicago City Guide
• Lonely Planet Las Vegas City Guide
• Lonely Planet Los Angeles City Guide
• Lonely Planet Miami City Guide
• Lonely Planet Montreal City Guide
• Lonely Planet New Orleans City Guide
• Lonely Planet New York City City Guide
• Lonely Planet San Francisco City Guide
• Lonely Planet Seattle City Guide
• Lonely Planet Toronto City Guide
• Lonely Planet Vancouver City Guide
• Lonely Planet Washington D.C. City Guide