| Approx Sales | Author | First Published | Book | % Correct |
|---|---|---|---|---|
| 120 million | J.K. Rowling | 1997 | Harry Potter and the Philosopher's Stone | 84%
|
| 100 million | J.R.R. Tolkien | 1937 | The Hobbit | 82%
|
| 65 million | J.K. Rowling | 1999 | Harry Potter and the Prisoner of Azkaban | 74%
|
| 77 million | J.K. Rowling | 1998 | Harry Potter and the Chamber of Secrets | 73%
|
| 65 million | J.K. Rowling | 2000 | Harry Potter and the Goblet of Fire | 72%
|
| 65 million | J.K. Rowling | 2005 | Harry Potter and the Half-Blood Prince | 71%
|
| 65 million | J.K. Rowling | 2007 | Harry Potter and the Deathly Hallows | 69%
|
| 65 million | J.K. Rowling | 2003 | Harry Potter and the Order of the Phoenix | 65%
|
| 65 million | J.D. Salinger | 1951 | The Catcher in the Rye | 65%
|
| 100 million | Lewis Carroll | 1865 | Alice's Adventures in Wonderland | 64%
|
| >200 million | Charles Dickens | 1859 | A Tale of Two Cities | 62%
|
| 80 million | Dan Brown | 2003 | The Da Vinci Code | 60%
|
| 50 million | Vladimir Nabokov | 1955 | Lolita | 48%
|
| 200 million | Antoine de Saint-Exupery | 1943 | The Little Prince | 46%
|
| 50 million | Gabriel Garcia Marquez | 1967 | One Hundred Years of Solitude | 42%
|
| 150 million | Paulo Coelho | 1989 | The Alchemist | 34%
|
| 100 million | Agatha Christie | 1939 | And Then There Were None | 25%
|
| 50 million | Lucy Maud Mongomery | 1908 | Anne of Green Gables | 21%
|
| 50 million | Johanna Spyri | 1880 | Heidi | 14%
|
| 83 million | H. Rider Haggard | 1887 | She: A History of Adventure | 13%
|
| 100 million | Cao Xueqin | 1791 | Dream of the Red Chamber | 5%
|
| 60 million | Robert James Waller | 1992 | The Bridges of Madison County | 2%
|