When a skydiver steps to the edge of the aircraft door and leaps away from the plane, he knows there is no turning back. He's gone too far, and if he should forget to strap on his parachute, nothing can save him and he will certainly plummet to a frightening death. What a tragedy! But there is something even worse that can happen to a person. Indeed, it is far worse to come to the point of no return in your relationship with God. Yet millions are approaching this point and have no idea! Is it possible that you are one of them? What is the awful sin that could lead to such a fate? Why can't God forgive it? For a clear and penetrating answer, yet also full of hope, take a few minutes with this fascinating Study Guide.