Anne Cassidy is a celebrated British author known for her compelling young adult fiction, particularly within the crime and thriller genres. Born in London, she initially worked as a teacher for many years before dedicating herself to writing full-time. Her most acclaimed work, 'Looking for JJ,' was shortlisted for the prestigious Carnegie Medal and the Whitbread Children's Book of the Year award, cementing her reputation as a master of suspenseful and psychologically complex narratives. Cassidy's novels often explore dark themes and moral dilemmas, challenging young readers to think critically about justice, identity, and the consequences of one's actions.