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	67%
400M	R. L. Stine	Goosebumps	60%
120M	C. S. Lewis	The Chronicles of Narnia	60%
Unknown, but definitely enough	J. R. R. Tolkien	The Lord of the Rings	60%
100M	Suzanne Collins	The Hunger Games	53%
150M	E. L. James	Fifty Shades	47%
160M	Stephenie Meyer	Twilight	47%
260M	Stan and Jan Berenstain	Berenstain Bears	40%
275M	Jeff Kinney	Diary of a Wimpy Kid	40%
180M	Rick Riordan	Percy Jackson & the Olympians	40%
150M	Beatrix Potter	Peter Rabbit	33%
120M	Roger Hargreaves & Adam Hargreaves	Mr. Men	27%
200M	Carolyn Keene	Nancy Drew	20%
180M	Elisabetta Dami	Geronimo Stilton	13%
100M	Stieg Larsson & David Lagercrantz	Millennium	13%
200M	Enid Blyton	Noddy	13%
201M	Rev W. Awdry & Christopher Awdry	The Railway Series	13%
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%