The Harry Potter series is a popular fantasy book series written by J.K. Rowling. The series consists of seven books, each following the life of a young wizard named Harry Potter. The story starts with "Harry Potter and the Philosopher's Stone" (or "Sorcerer's Stone" in the United States) when Harry discovers he is a wizard and is admitted to Hogwarts School of Witchcraft and Wizardry.

Throughout the series, Harry learns about his parents' past, battles the dark wizard Lord Voldemort, and faces various challenges within the wizarding world. Alongside his best friends Ron Weasley and Hermione Granger, Harry embarks on thrilling adventures, discovers magical creatures, and faces dangerous obstacles.

The books explore themes of friendship, love, courage, and the battle between good and evil. Each book builds upon the previous one, with an overarching story and an extensive and intricate magical universe. The series has captured the hearts of readers of all ages and has become a global phenomenon, with movies, merchandise, and a dedicated fanbase.