Complex sentence: Before republication, the Book-of-the-Month club chose "Ladies" as their main selection, and suddenly Santmyer and her novel were a media sensation, including front page coverage in the "New York Times".
Split into simpler sentences: Before republication, the Book-of-the-Month club chose "Ladies" as their main selection. Suddenly, Santmyer and her novel were a media sensation, including front page coverage in the "New York Times".