Dani Shapiro is a novelist and memoirist. Her breakthrough book was the bestselling memoir Slow Motion, which details her early life growing up in an affluent, observant-Jewish household, dropping out of Sarah Lawrence College and then, at 20, living as one of several “keptwomen” of her best friend’s stepfather – a much older, wealthy, married man who enabled Shapiro to live an opulent and increasingly self-destructive life in Manhattan in the 1980s. He bought her expensive jewelry from Cartier and Bulgari, gave her a Ferrari to drive and a furnished triplex in Greenwich Village to live in. At 23, she was cocaine-addicted, bulimic and alcoholic. She turned her life around, however, when a car accident nearly killed her mother and fatally injured her father. Shapiro’s second memoir, Devotion, details a…