**READ THE BOOK BEFORE YOU WATCH THE MAJOR FILM STARRING CLAIRE FOY, JESSIE BUCKLEY, ROONEY MARA AND BEN WHISHAW**'Don't miss this.' MARGARET ATWOOD'Beautiful. . .a novel for the times.' LISA McINERNEY'Tender, enraging and brimming with a bitter wit.' The Times'An astonishment, a volcano of a novel.' LAUREN GROFFIn a remote Mennonite colony, over a hundred girls and women were knocked unconscious