The Immortals - Andrew Neiderman

 Chris and Ellie, two teenagers who discover that their parents have a dark and terrifying secret. The novel begins with the mysterious death of Chris's father, leading him to uncover shocking truths about his family. Chris and Ellie learn that their parents are part of an ancient cult that has discovered the secret to immortality.

As the teenagers delve deeper into the mystery, they find themselves entangled in a web of danger and deceit. The cult, which thrives on the souls of the young, will stop at nothing to protect its secrets and maintain its power. Chris and Ellie must navigate a world of horror and suspense, facing life-threatening challenges as they try to escape the clutches of the cult.

"The Immortals" is a gripping and chilling tale that explores themes of power, immortality, and the lengths to which people will go to achieve eternal life. The novel combines elements of horror, thriller, and mystery, keeping readers on the edge of their seats as Chris and Ellie fight for their lives and their freedom.