Book conservator Tory Van Dyne and a woman claiming to be Agatha Christie on holiday from the Great Beyond join forces to catch a killer in this spirited mystery from Amanda Chapman. Tory Van Dyne is the most down-to-earth member of a decidedly eccentric old-money New York family. For one thing, as book conservator at Manhattan's Mystery Guild Library, she actually has a job. Plus, she's left up-town society behind for a quiet life downtown. So she's not thrilled when she discovers a woman in the library's Christie Room who calmly introduces herself as Agatha Christie, politely requests a cocktail, and announces she's there to help solve a murder-- that has not yet happened. But as soon as Tory determines that this is just a fairly nutty Christie fangirl, her socialite/actress cousin Nicola gets caught up in the suspicious death of her less-than-lovable talent agent. Nic, as always, looks to Tory for help. Tory, in turn, looks to Mrs. Christie. The woman, whoever or whatever she is,