Matthew Collin is the author of the critically-acclaimed books Altered State, This is Serbia Calling, The Time of the Rebels and Pop Grenade. He has worked as a correspondent for the BBC and Al Jazeera, and as the editor of The Big Issue, i-D magazine and the Time Out website. He has also written for many newspapers and magazines, including the Guardian, Observer, Wall Street Journal, The Face, Mixmag and Mojo. He is now researching a new book for Serpent's Tail about electronic dance music culture around the world.