For Now — poems, aphorisms, ten-second essays, microlyrics (Copper Canyon Press, 2020).

During, poems and aphorisms (Copper Canyon Press, 2016)

By the Numbers:  Poems and Aphorisms (Copper Canyon Press, 2010)

Interglacial:  New and Selected Poems and Aphorisms (Ausable Press/Copper Canyon Press, 2004)

Vectors:  Aphorisms and Ten-Second Essays (Ausable Press/Copper Canyon Press, 2001)

How Things Are (Carnegie Mellon University Press, 2000)

As If (Persea Books, 1992). Reprinted 2023 in the Carnegie Mellon Classic Contemporaries series.

Vanishing Lives:  Style and Self in Tennyson, D. G. Rossetti, Swinburne and Yeats (University of Virginia Press, 1988)

Second Guesses (Wesleyan University Press, 1984) 

Thomas Hardy:  The Poetry of Necessity (University of Chicago Press, 1977)

Reservations (Princeton University Press, 1977)

Chapbooks:

A Suite for Lucretians (Quarterly Review of Literature, 1999)

Anthologies:

Short Circuits (Schaffner, 2018), Best American Poetry 2016 (Scribner 2016), Short Flights (Schaffner, 2015), Pushcart Prize XXXVII (Pushcart Press, 2012), Best American Poetry 2011 (Scribner, 2011), Best American Poetry 2010 (Scribner, 2010), Pushcart Prize XXXIV (Pushcart Press, 2010), Best American Poetry 2009 (Scribner, 2009), Geary's Guide to the World's Great Aphorists (Bloomsbury USA, 2007), Best American Poetry 2005 (Scribner, 2005), Great American Prose Poems (Scribner, 2003), Best American Poetry 2001 (Scribner, 2001)