The Shadowhunters are a force to be reckoned with on the best sellers lists. Simon Teen revealed that as of September 22, The Mortal Instruments will have spent two straight years on the New York Times Best Sellers List.
HUGE congrats to @cassieclare! As of 9/22, THE MORTAL INSTRUMENTS series will have been on the NYT bestseller list for TWO YEARS!
— simonteen (@simonteen) September 12, 2013
What an amazing feat! Congrats to Cassandra Clare!