Lies Wide Open - The Sentinel Saga, #1

After a near death experience and brief coma, a newly-disabled man is offered an astounding charge by God: the chance to become the Sentinel, the guardian of the truth about human history and spirituality. Now he must learn some extremely odd capabilities: using his mind and his faith, he is able to travel around the world and through time. Unfortunately, he faces the mountainous task of identifying and countering five deadly adversaries. Can he find them, and stop what's coming?