The Federal Bureau of Prisons regulations, as investigated by The Atlantic, state their right to prohibit any publications found “to be detrimental to the security, good order, or discipline of the institution or if it might facilitate criminal activity.”
Chelsea Manning is incarcerated for divulging state secrets to WikiLeaks. The fact that she used to be known as Bradley and is in an all-male prison complicates things a bit—and prison officials don’t approve of her reading selections. Manning had magazines such as the Caitlyn Jenner issue of Vanity Fair, and books like Ronald Dworkin’s Justice for Hedgehogs; Casey Plett’s A Safe Girl to Love; and Gabriella Coleman’s Hacker, Hoaxer, Whistleblower, Spy: The Many Faces of Anonymous.