Harry Potter is a 9-book series with 8 primary works first released in 11 with contributions by J. K. Rowling and Jack Thorne.
1987 • 3,471 Readers • 320 pages • 4.3
1988 • 2,547 Readers • 752 pages • 4.4
11 • 2,433 Readers • 896 pages • 4.3
1998 • 871 Readers • 320 pages • 3.1