Bostonist loves the biking, so we were happy to see Boston Biker's great Back To School Bike Guide. There are definitely many aspects of biking in Boston that differ from biking elsewhere, so the guide is key for bikers accustomed to zooming down large, empty, straight streets. Here, you'll have to deal with tons of traffic, one-way streets, insane intersections where seven streets meet without signage (or bike lanes), and--best of all--streets that don't really......