It Came to Me on a Whim (2018) by Maria Bouroncle
This magnificently written novel delves into the horrors of mental illness. It is a story told with truth and compassion, taking the reader on a one-of-a-kind historical and psychological journey. The tragic family drama is retold by Ingeborg Andersson's grand-niece, Maria Bouroncle. A compelling and horrifying tale that will captivate true-crime fans as Bouroncle's extensive research and tireless investigation gradually illuminates her family's tightly guarded secret.