Harry Potter and the Half-Blood Prince (Harry Potter, Book 6) : 6

J.K. Rowling is a British author best known for creating the globally beloved Harry Potter series, which has sold over 500 million copies worldwide. Born in Yate, England, Rowling developed her passion for storytelling early on, crafting a magical world that would captivate readers of all ages. Beyond Harry Potter, she has written novels for adults, such as The Casual Vacancy, and the Cormoran Strike detective series under the pseudonym Robert Galbraith. Rowling is also a prominent philanthropist, supporting various causes including children's welfare, multiple sclerosis research, and anti-poverty initiatives.