REASONS AND PURPOSES (Oxford University Press, 2003), paperback
This OUP site also has a link to a downloadable copy of the first chapter of this book.
Its Role in Practical Reason and the Explanation of Action
IDEA OF A REASON FOR ACTING (Mellen Press, 1989).
Some recent papers of mine:
in New Essays in the Explanation of
Action, edited by Constantine Sandis, Palgrave Macmillan 2009
“The Humean Theory of
Motivation Rejected”, appeared in Philosophy and
Research, Vol. LXXVIII, No. 1, January 2009.
The definitive version is available at http://www.blackwell-synergy.com/
"Is It Really Possible to FollowOne's
Conscience?" appeared in American
Philosophical Quarterly, January 2007