Looking for JJ is a young adult novel by British author Anne Cassidy, first published in 2004. It is about a teenage girl who was convicted of murder as a child.he killed her friend, Michelle, when she was 10 years old, as Jennifer Jones, and had been released from jail six months earlier than sentenced. The book follows certain parts of the story such as Alice now, Jennifer and the killing, and her new identity when the press expose her at the end of the book.