This just popped into my inbox and sounded like an interesting offer so I figured I'd share:
In response to the widespread chaos caused by the eruption of Iceland’s Eyjafjallajokull volcano, Lonely Planet is offering 13 of its European iPhone guides free.
“Travelers stuck in unfamiliar places need access to practical information as well as suggestions on what to do while stranded”, said Tom Hall, Lonely Planet Travel Editor. “That’s why we’re giving away iPhone city guides to major affected destinations.”
The 13 guides will be free until Thursday, April 22, from the iTunes app store.
The free iPhone apps cities are: