Before Orange is the New Black, there was Inside.

American jails and prisons confine nearly 13.5 million people each year. Despite these disturbing numbers, little is known about life inside beyond the mythology of popular culture.

Michael G. Santos, a federal prisoner nearing the end of his second decade of continuous confinement, documents the lives of the men warehoused in the American prison system. Inside: Life Behind Bars in America, his first book for the general public, takes us behind those bars and into the chaos of the...