Robert Bloomfield, The Banks of Wye: A Critical Edition. Online edition of Bloomfield’s sketchbook, tour journal and Georgic poem. http://www.rc.umd.edu/editions/wye/
Robert Southey: Poetical Works 1811-38, 4 vols, gen. ed. with Lynda Pratt (Pickering and Chatto, 2012)
Romantic Indians: Native Americans and Transatlantic Literary Culture 1755-1830 (Oxford: O.U.P. 2006)
Literature, Science and Exploration in the Romantic Era: Bodies of Knowledge. Co-written monograph with Debbie Lee and Peter J. Kitson (Cambridge: C.U.P. 2004)
Romanticism and Masculinity (Basingstoke: Macmillan/New York: St Martin’s Press, 1999).