Vagrants & Accidentals, the second full-length collection from poet Kevin Craft, is part vade mecum, part songbook, whose taut lines and adaptable stanzas traffic in the personal effects of emigration and estrangement, exile and return. In ornithology, a vagrant or accidental is a bird that appears out of its natural or normal range, blown off course by a storm, or inadvertently introduced into a new environment by human trade. Likewise, Craft is interested in things taken out of...