When Dr. Jack Graham was twenty years old, he got the phone call no one wants to receive. His father had been ruthlessly attacked, and it became clear to young Jack that invisible forces of evil were involved. He realized he needed to take the spiritual world more seriously, because the real battles we face in life are between the powers of good and evil...literally the armies of heaven and hell.

Through compelling stories, practical guidance, and biblical truth, Dr. Graham challenges popular opinions and persistent folklore about heaven and hell, good and evil, angels and Satan. You will...