“In Believers, Christian Makki takes readers on an epic journey across planets, faiths, and centuries as an ancient battle between good and evil unfolds. When Satan’s quest for universal domination collides with the emergence of a prophesied savior on Earth, a powerful relic known as the Miftah holds the key to either preserving or destroying goodness across the galaxy. With richly imagined world-building and a tense race to uncover buried secrets, this gripping sci-fi thriller challenges the boundaries of faith, power, and humanity’s place in the cosmos. An electrifying clash of cosmic forces and human destiny.” —Bradley Allen, Los Angeles Book Review