Books like The heirloom by Thomas Luke

A billionaire investigator, Jack Carson, falls for his assistant Vivianna Smith—and her foster baby—while trying to dismantle a crime family.

Four university friends venture into the Arctic Circle’s Scandinavian wilderness seeking escape, only to confront ancient rituals and deadly forces lurking among untouched forest.

"I very much need to be dead." These are the chilling last words left by a man who had everything to live for but took his own life. In the void that remains stands his widow, FBI agent Jane Hawk, surrounded by questions destined to go unanswered unless she does what all the grief and fury inside her demand: Find the truth, no matter what. People of talent and accomplishment, people seemingly happy and sound of mind, have recently been committing suicide in surprising numbers. A disturbing pattern is beginning to emerge. Jane is determined to give up everything to find out why. And if that means going rogue and becoming America's Most Wanted, then so be it. Those arrayed against her are legion, and devoted to protecting something profoundly important-or terrifying-enough to exterminate any and all in their way. But Jane is as clever as these enemies are cold-blooded, as relentless as they are ruthless. And she is driven by a righteous rage they can never comprehend. Because it is born of love.

When reclusive novelist Vida Winter’s health wanes, she tasks biographer Margaret Lea with revealing the truth of her life, though Margaret must sift through Winter’s penchant for exaggeration to arrive at facts.

Two twins in Pennsylvania find themselves drawn into a mystery when they discover an ancient pendant belonging to an Indian princess.