Sinners Welcome

Mary Karr describes herself as a black-belt sinner, and this -- her fourth collection of poems --traces her improbable journey from the inferno of a tormented childhood into a resolutely irreverent Catholicism. Not since Saint Augustine wrote "Give me chastity, Lord -- but not yet!" has anyone brought such smart-assed hilarity to a conversion story.

Karr's battle is grounded in common loss (a bitter romance, friends' deaths, a teenage son's leaving home) as well as in elegies for a complicat...