Statistics for Best-Selling Book Series

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Sales	Author	Answer	% Correct
600M	J. K. Rowling	Harry Potter	93%
100M	Ian Fleming	James Bond	71%
120M	C. S. Lewis	The Chronicles of Narnia	64%
Unknown, but definitely enough	J. R. R. Tolkien	The Lord of the Rings	64%
400M	R. L. Stine	Goosebumps	57%
100M	Suzanne Collins	The Hunger Games	57%
150M	E. L. James	Fifty Shades	50%
160M	Stephenie Meyer	Twilight	50%
260M	Stan and Jan Berenstain	Berenstain Bears	43%
275M	Jeff Kinney	Diary of a Wimpy Kid	43%
180M	Rick Riordan	Percy Jackson & the Olympians	43%
150M	Beatrix Potter	Peter Rabbit	36%
120M	Roger Hargreaves & Adam Hargreaves	Mr. Men	29%
200M	Carolyn Keene	Nancy Drew	21%
180M	Elisabetta Dami	Geronimo Stilton	14%
100M	Stieg Larsson & David Lagercrantz	Millennium	14%
200M	Enid Blyton	Noddy	14%
201M	Rev W. Awdry & Christopher Awdry	The Railway Series	14%
160M	Various	American Girl	7%
120M	Clive Cussler	Dirk Pitt	7%
150M	Mercer Mayer	Little Critter	7%
120M	Eiji Yoshikawa	Musashi	7%
300M	Erle Stanley Gardner	Perry Mason	7%
200M	Frédéric Dard	San-Antonio	7%
120M	Gérard de Villiers	SAS	7%
160M	Various	Star Wars	7%
172M	Ann Martin	The Baby-sitters Club	7%
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%