Into the RavineBy: Richard Scrimger In the tar melting heat of a suburban summer, everyboy Jules, athletic and handsome Chris, and oddball Corey (he laughs at gravel and anticipates zombie attacks) have lived side by side for most of their lives. Behind their backyards is a ravine through which flows a modest river. This familiar territory is by turns comforting and terrifying. When a tornado brings down a big maple tree, the boys make a raft of the branches and set