The book series featuring a character named Harry Potter is the "Harry Potter" series, written by British author J.K. Rowling. The series consists of seven books, which chronicle the journey of a young wizard, Harry Potter, as he navigates the magical world while confronting dark forces, particularly the dark wizard Voldemort. The first book, "Harry Potter and the Philosopher's Stone," was published in 1997 and quickly gained immense popularity. The series prominently addresses themes of friendship, bravery, and the struggle between good and evil, and has been adapted into a successful film franchise, theatrical productions, and numerous spin-offs.