Complex sentence: A brief preview was made available on Free Comic Book Day in May 2011, and the first installment was released January 2012, shortly thereafter spending two weeks on "The New York Times" Best Seller list of hardcover graphic books.
Split into simpler sentences: A brief preview was made available on Free Comic Book Day in May 2011. The first installment was released January 2012 and shortly thereafter spent two weeks on "The New York Times" Best Seller list of hardcover graphic books.