List of best-selling books

Columns: Book | Author ( s ) | Original language | First published | Approximate sales
The Grapes of Wrath | John Steinbeck | English | 1939 | 15 million | The Shadow of the Wind ( La sombra del viento ) | Carlos Ruiz Zafón | Spanish | 2001 | 15 million | Interpreter of Maladies | Jhumpa Lahiri | English | 2000 | 15 million | The Hitchhiker 's Guide to the Galaxy | Douglas Adams | English | 1979 | 14 million | Tuesdays with Morrie | Mitch Albom | English | 1997 | 14 million | God 's Little Acre | Erskine Caldwell | English | 1933 | 14 million

Example questions:
Who illustrated the The Runaway Bunny , also by the the author of the best-selling book Goodnight Moon ? | How many languages has the best-selling book published in 2011 that sold 15.2 million copies in the U.S. been translated into ? | What role did the author of the best-selling book Matilda serve during wartime ? | Who is the protagonist of the English best-selling book published in 1967 that sold 15 million copies ?

Answers:
Clement Hurd | 52 | fighter pilot | Ponyboy Curtis