If Iceland's Eyjafjallaj
Typically priced at between $10 and $15 in the App Store, Lonely Planet's temporarily free guides aim to offer at least a little solace to stranded travelers.
"Travelers stuck in unfamiliar places need access to practical information
The free guide cities are: Amsterdam, Barcelona, Berlin, Budapest, Copenhagen, Istanbul, London, Moscow, Munich, Paris, Rome, Stockholm, and Vienna.
The guides are free only until April 22, though, so get out your App Stores and get to downloading.
This story, "Lonely Planet Has Free IPhone Guides for Stranded Travelers" was originally published by Macworld.