For a while now Hachette Book Group has been talking at conferences about their internal work to harness Facebook as a way for readers to sample and share books. Wednesday the company formally launched their ChapterShare Facebook app, which makes good on that promise. The app lets authors themselves as well as HBG staff post chapters onto Facebook pages from forthcoming books. Facebook friends can read and share the samples, as well as pre-order the titles. The first two excerpts are opening chapters from James Patterson’s forthcoming novel NYPD Red (October 8) and Michael Connelly’s The Black Box (November 26). […]