This book examines American solitary confinement ¿ in which around 100,000 prisoners are held at any one time ¿ and argues that under a moral reading of individual rights such punishment is not only a matter of public interest, but requires close constitutional scrutiny. While Eighth Amendment precedent has otherwise experienced a generational fixation on the death penalty, this book argues that such scrutiny must be extended to the hidden corners of the US prison system. Despite significant reforms to capital sentencing by the executive and legislative branches, Eastaugh shows how the American prison system as a whole has escaped meaningful judicial oversight. Drawing on a