The Casino Murder Case
by S. S. Van Dine
Philo Vance receives an anonymous letter to Lynn, the wealthy heir of the Llewellyn family, warning him of the mortal danger. Eccentric widow Priscilla Llewellyn leads a secular family full of greed, ego and unhappy marriage. His secretary, Doris, is romantically associated with Vance, and they are soon implicated in the mystery of murder and attempted murder related to poison and heavy water experiments.
