Taking readers into the darkness of solitary confinement, this searing collection of convict experiences, academic research, and policy recommendations shines a light on the proliferation of supermax (super-maximum-security) prisons and the detrimental effects of long-term high-security confinement on prisoners and their families.

Stephen C. Richards, an ex-convict who served time in nine federal prisons before earning his PhD in criminology, argues the supermax prison era began in 1983 at USP Marion in southern Illinois, where the first "control units" were built by the Federal Bureau of...