Bøger i Heaven and Hell serien

Every thousand years they come to earth in Human formAnd battle to determine the fate of the planet! Whoever is theVictor, Whether he be good or bad, quietly influences the earthUntil his time is up. The time has come for their return, Our planet Is ripe and we are at the cusp of a brighter future orA destructive one. Who will win? And what lies ahead for us all?