Opening Heaven's Doors Author:Dr. Paul L. Engstrom, Th.D. Jesus showed the way to salvation on the cross of Calvary. he paid the price for sin, but left you with a clear obligation. Do you know what it is? Are you prepared to carry it out? Opening Heaven's Doors affirms the need for God's grace through Jesus Christ, but takes you to the next important step by exploring God's instructions regarding h... more »uman effort. No Bible believing person would deny that Jesus Christ is the only way unto salvation. But as this book demonstrates, the cross offers more than a message of indescribable beauty; the cross also presents and inescapable challenge.« less