The Family Upstairs Fiction_Gift_Guide and Amber Lynn Costello

and Amber Lynn Costello

including his marriage and becoming a dad

You'll never forget the Pythagorean theorem again

and Addie and Louis have long been living alone in empty houses

he was variously employed as surgeon to the Maharaja of Punjab

The Family Upstairs Fiction_Gift_Guide and Amber Lynn CostelloINSTANT NEW YORK TIMES BESTSELLER A GOOD MORNING AMERICA COVER TO COVER BOOK CLUB PICK "Rich, dark, and intricately twisted, this enthralling whodunit mixes family saga with domestic noir to brilliantly chilling effect." Ruth Ware, New York Times bestselling author "A haunting, atmospheric, stay up way too late read." Megan Miranda, New York Times bestselling author From the #1 New York Times bestselling author of None of This Is True comes another