J.K. Rowling is best known for her seven-book "Harry Potter" series, which follows a boy's adventures after he learns he is a wizard. After "Harry Potter," she wrote a book called "The Casual Vacancy" for adults. She also writes mysteries under the pseudonym Robert Galbraith, including "The Cuckoo's Calling."
J.K. Rowling's "Harry Potter" series of books includes the titles "Harry Potter and the Sorcerer's Stone," "Harry Potter and the Chamber of Secrets," "Harry Potter and the Prisoner of Azkaban," "Harry Potter and the Goblet of Fire," "Harry Potter and the Order of the Phoenix," "Harry Potter and the Half-Blood Prince" and "Harry Potter and the Deathly Hallows." The books set and broke a number of records. "Harry Potter and the Deathly Hallows," for example, sold 8.3 million copies in the first 24 hours and as of 2015, is the fastest-selling book in both the U.S. and the U.K.
J.K. Rowling's books as Robert Galbraith include "The Cuckoo's Calling" and "The Silkworm." They follow private investigator Cormoran Strike and the intriguing mysteries he is asked to solve. A third book in the series is "Career of Evil."
"The Casual Vacancy" is J.K. Rowling's only stand-alone novel. It looks at the relationships between people in a small town following the death of one of its inhabitants.