Gardeners may be interested in a new collection on free will (which I've co-edited) that has just come out.
Essays on Free Will and Moral Responsibility (Nick Trakakis and Daniel Cohen eds.)
Cambridge Scholars Publishing, 2008.
Here's the table of contents to whet your appetites.
1. Derk Pereboom Defending Hard Incompatibilism Again
2. Nick Trakakis Whither Morality in a Hard Determinist World?
3. Trevor Pisciotta Meaningfulness, Hard Determinism and Objectivity
4. Manuel Vargas Moral Influence, Moral Responsibility
5. J.J.C. Smart The Illusion of Libertarian Free Will
6. Neil Levy Restrictivism is a Covert Compatibilism
7. Robert Kane Three Freedoms, Free Will and Self-Formation: A Reply to Levy
and Other Critics
8. Ishtiyaque H. Haji Obligation and Luck
9. Michael McKenna Ultimacy and Sweet Jane
10. John Martin Fischer The Direct Argument: You Say Goodbye, I Say Hello
11. David Widerker Some Further Thoughts on the Direct Argument
12. Saul Smilansky Free Will and Fairness
13. Daniel Cohen and Lauren Saling Addiction Is No Excuse