| Sales | Author | Answer | % Correct |
|---|---|---|---|
| 600M | J. K. Rowling | Harry Potter | 97%
|
| Unknown, but definitely enough | J. R. R. Tolkien | The Lord of the Rings | 80%
|
| 100M | Suzanne Collins | The Hunger Games | 67%
|
| 120M | C. S. Lewis | The Chronicles of Narnia | 60%
|
| 160M | Stephenie Meyer | Twilight | 57%
|
| 400M | R. L. Stine | Goosebumps | 53%
|
| 100M | Ian Fleming | James Bond | 47%
|
| 180M | Rick Riordan | Percy Jackson & the Olympians | 43%
|
| 260M | Stan and Jan Berenstain | Berenstain Bears | 33%
|
| 275M | Jeff Kinney | Diary of a Wimpy Kid | 33%
|
| 150M | E. L. James | Fifty Shades | 30%
|
| 150M | Beatrix Potter | Peter Rabbit | 17%
|
| 120M | Roger Hargreaves & Adam Hargreaves | Mr. Men | 13%
|
| 180M | Elisabetta Dami | Geronimo Stilton | 10%
|
| 200M | Carolyn Keene | Nancy Drew | 10%
|
| 100M | Stieg Larsson & David Lagercrantz | Millennium | 7%
|
| 200M | Enid Blyton | Noddy | 7%
|
| 160M | Various | Star Wars | 7%
|
| 201M | Rev W. Awdry & Christopher Awdry | The Railway Series | 7%
|
| 160M | Various | American Girl | 3%
|
| 120M | Clive Cussler | Dirk Pitt | 3%
|
| 150M | Mercer Mayer | Little Critter | 3%
|
| 120M | Eiji Yoshikawa | Musashi | 3%
|
| 300M | Erle Stanley Gardner | Perry Mason | 3%
|
| 200M | Frédéric Dard | San-Antonio | 3%
|
| 120M | Gérard de Villiers | SAS | 3%
|
| 172M | Ann Martin | The Baby-sitters Club | 3%
|
| 130M | Jack Canfield & Mark Victor Hansen | Chicken Soup for the Soul | 0%
|
| 250M | Various | Choose Your Own Adventure | 0%
|
| 129M | Norman Bridwell | Clifford the Big Red Dog | 0%
|
| 125M | Gilbert Patten | Frank Merriwell | 0%
|
| 100M | Gilbert Delahaye & Marcel Marlier | Martine | 0%
|
| 200M | Dan Brown | Robert Langdon | 0%
|
| 250M | Francine Pascal | Sweet Valley High | 0%
|