Permanent Record by Edward Snowden - Audiobook - Audible.com
Justice Dept. sues for proceeds from Edward Snowden's book - The Washington Post
Permanent Record review: Edward Snowden writes in 50 shades of grey | Edward Snowden | The Guardian
Edward Snowden on Twitter: "Want a signed copy of Permanent Record? Here's your chance to get one for free, courtesy of the extraordinary @lsjourneys." / Twitter