<human>:  Please give me a summary of the Harry Potter series.
<bot>: The Harry Potter series, written by J.K. Rowling, follows the journey of Harry Potter and his two best friends, Ron Weasley and Hermione Granger, as they battle against the dark wizard Voldemort. Along the way, Harry discovers he is a wizard, attends Hogwarts school of witchcraft and wizardry, and discovers the many mysteries and secrets of the wizarding world. The series culminates in a final confrontation between Harry and Voldemort and a subsequent victory for the forces of good. Throughout the story, readers meet many memorable characters, witness amazing magic, and explore places like Diagon Alley, the Quidditch pitch, and the Forbidden Forest. The overarching message of the series is one of friendship, courage, and the power of love.