Download a free 12 Session Discussion Guide for use in small groups.
Buy Questioning Your Doubts: A Harvard PhD Explores Challenges to Faith (paperback, e-book, Kindle edition, Nook Book) now at the following bookstores (and many more not listed!):
Amazon.com (Kindle or Paperback)
Barnes and Noble (Nook Book or Paperback)
InterVarsity Press (eBook or Paperback)
Book Depository.com Christianbook.com
Indie Bound (Order Online or Locate an Independent Bookstore near you!)
Bookstores in Boston, Cambridge, and the surrounding area:
Harvard Book Store Porter Square Books
For my international friends:
bol.com Book Depository.com Eden.co.uk Mighty Ape Ltd. (NZ)