Truth Decay: Eleventh Printing
Although this book has been much-attacked (James K. A. Smith dismissed it in a footnote by saying I was "afraid of postmodernism"), it is has also been much-used. For the latter, I am grateful. Prison Fellowship has used it as part of their terrific Centurion Program. It is endorsed by Os Guinness and J.P. Moreland. That made my year.
This is my most academic book I have authored to date (the forthcoming apologetics text, What Matters Most, will be more so), so I am happy it is still in print after nine years.