A World of Ice and Fire
A World of Ice and Fire, sometimes titled George R. R. Martin's A World of Ice and Fire — A Game of Thrones Guide, is a companion guide available as a mobile app for iOS and Android. The reference work, which contains information about the people, houses, places, and maps of the Known World, was written by Elio M. García, Jr. and Linda Antonsson of Westeros.org with input from George R. R. Martin. The app is designed by Smashing Ideas and is published by Random House. It contains illustrations from Fantasy Flight Publishing. According to Apple's App Store, version 1.0 was released on November 25, 2012; version 1.3 from September 20, 2013, added six of the maps from The Lands of Ice and Fire.
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