Soon to be a major film from Amazon Studios, the prizewinning French bestseller   “In this darkly delightful Gothic treasure, Mas explores grief, trauma, and sisterhood behind the walls of Paris’s infamous Salpêtrière hospital.”                  —Paula Hawkins, #1 New York Times bestselling author of The Girl on the Train The Salpetriere Asylum: Paris, 1885. Dr. Charcot holds all of Paris in thrall with his displays of hypnotism on women who have been deemed mad and cast out