In this third volume in Alvin Plantinga's trilogy on the notion of warrant, he contends that Christian beliefs are warranted to the extent that they are formed by properly functioning cognitive faculties, thus, insofar as they are warranted, Christian beliefs are knowledge if they are true.
This is an important book, the culmination of Plantinga's three part work in epistemology ... do not be offended by that word ('C*******n') in the title ... read this book even if you foolishly insist that Christianity is not a live option