Meg McCaffrey is a fictional character from the popular book series The Trials of Apollo by Rick Riordan. She is a demigod, the daughter of Demeter, the Greek goddess of agriculture, and is known for her strong connection to nature and her ability to communicate with plants. Meg is a brave and resourceful young girl who often finds herself in the midst of adventures alongside the main character, Apollo. In the series, Meg is characterized by her fierce loyalty to her friends and her determination to protect the environment. She plays a crucial role in the quest to restore the Oracles and confront various mythological challenges. Her unique abilities and personality make her a beloved character among fans of the series.