Index on Censorship hits 40 with a special anniversary issue featuring its finest contributors. From celebrated Russian author Mikhail Bulgakov's diary to Chinese activist Chen Wei's online essay, the medium may have changed over four decades, but the message remains the same - as do the methods for silencing writers, whistleblowers, artists and protesters. Index examines the challenges for free speech today, looks back at the watersheds since 1972 and asks leading activists, journalists and writers around the world for their manifestos for a more outspoken world.

Index on Censorship is an award-winning magazine, devoted to protecting and promoting free expression. International in outlook, outspoken in comment, Index on Censorship reports on free expression violations around the world, publishes banned writing and shines a light on vital free expression issues through original, challenging and intelligent commentary and analysis, publishing some of the world's finest writers.

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