Jo Treggiari is a Canadian-based author known for writing young adult fiction. Her works often delve into themes such as survival, identity, and friendship. Treggiari has written several novels, with her book "Ashes, Ashes" gathering attention for its post-apocalyptic setting and strong female protagonist. Her storytelling is characterized by gripping narratives and well-crafted characters that resonate with teen and adult readers alike. Treggiari is also known for her efforts to support literacy and local writing communities, often participating in workshops and festivals.