By Tanner Stransky
Updated October 15, 2008 at 04:00 AM EDT

Thoughts about bodily waste usually begin and end at the bathroom door: It’s not a favorite topic of conversation. But with 2.6 billion people living without sanitation, global waste management has become a critical issue. To investigate a problem we’d all rather flush away, Rose George endured countless nasty latrines, gutters, and buckets for The Big Necessity. While not a traditional bathroom read, it’s a persuasive volume — if you’ve got the stomach for it. B