The Inheritance Games (Book 1), Jennifer Lynn Barnes

Don't miss this "impossible to put down" (Buzzfeed) novel with deadly stakes, thrilling twists, and juicy secrets - perfect for fans of One of Us Is Lying and Knives Out. Avery Grambs has a plan for a better future: Survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why - or even who Tobias Hawthorne is.  To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where every room bears the old man's touch - and his love of puzzles, riddles, and codes. Unfortunately for Avery, Hawthorne House is also occupied by the family that Tobias Hawthorne just dispossessed. This includes the four Hawthorne grandsons: Dangerous, magnetic, brilliant boys who grew up with every expectation that one day, they would inherit billions.  Heir apparent Grayson Hawthorne is convinced that Avery must be a con-woman,