In her new book "Confessions Of A Prairie Bitch: How I Survived Nellie Oleson And Learned To Love Being Hated," Alison Arngrim reveals how she was sexually abused as a child and the role of bad girl Nellie helped her to heal. She also shares behind-the-scenes details of one of the world's most beloved series. Sexual abuse - Alison Arngrim - Little House on the Prairie - Child abuse - Children Youth and Family