Click on the cover to go to an e-version of Gravity that is linked to many
short videos expanding on the topics at hand.
Video Linked Gravity
Top Ten in Amazon Free Apologetics and Evangelism
"If false, Christianity is an irrelevant hoax. If true, Christianity is the most important fact for every human being. This little book concisely shows you why Christianity is true and what that means for you. No fluff, just the facts!" Dr. Frank Turek author/co-author of I Don’t Have Enough Faith to Be an Atheist