Publishers Weekly commented that it "is a sprawling urban fantasy packed with just about every type of creature known to the genre". Locus praised the book as "a highly readable first novel". Booklist said that there was "plenty of romance, loss, honor, and betrayal to make the journey worthwhile. An experienced storyteller, Clare moves the plot quickly to a satisfying end. " School Library Journal said "Though the story is hampered by predictability and overblown writing, Clare continues her talent for mixing hip, modern humor with traditional fantasy, and fans eagerly awaiting the series conclusion should come away more than satisfied. " A review in the School Library Journal noted that the book contained a variety of narrative flaws including characters that were "sporadically characterized" and whose behavior was predictable. In spite of this they noted that the book was entertaining and would leave readers anticipating the next installment. The series has been in the New York Times Best Sellers List for 102 consecutive weeks as of September 5, 2013, and No. 1 for 9 weeks straight, knocking series such as The Hunger Games and Percy Jackson and The Olympians off the top spot.  The last time The Mortal Instruments spent 100 consecutive weeks on the best sellers list was in May 2012. On August 29, 2013, City of Bones topped the USA Today's Best Sellers List, which made it the Best Seller Book of the country at the time. Four other Mortal Instruments books also made the list. City of Ashes was No. 8, City of Glass was No. 20, City of Fallen Angels was 35 and City of Lost Souls was No. 46.