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 bitt...