We love YA—especially heartbreakingly romantic, edge-of-your-seat YA like Shea Berkley’s 2010 Golden Heart finalist THE MARKED SON (coming August 2nd, 2011!). To celebrate 4th of July and the awesomeness that is Shea’s series, we’re thrilled to unveil a few fireworks of our own! Behold, the new-and-improved cover for THE MARKED…