Rachel Hartman is a Canadian author known for her young adult fantasy novels. She gained recognition for her debut book, Seraphina, which was published in 2012. The novel features a unique world where dragons and humans coexist, and it explores themes of identity and acceptance. In addition to Seraphina, Hartman has written sequels and other works, including Shadow Scale. Her writing is praised for its rich world-building and complex characters. Hartman is also involved in the literary community, often participating in events and discussions about writing and storytelling.