Amazon.com description: Product Description: Finally restored to print, Frederick Barthelme's classic novel about love, marriage, and one man's search for something more.. Peter Wexler is unhappy. He's forty and obsessed with what's wrong in the world, including his marriage, a "thirtysomething" version of Ozzie and Harriet. Deciding a change of scenery might help put his life back in order, Peter leaves his wonderful wife and their ten-year-old son in search of a resolution to the confusion, estrangement, fatigue, and adultery that have confounded his life.Natural Selection is an intimate novel about a man getting smart, and getting there a little later than he should have. It's caustic and subtle, slick and funny, charming, deeply melancholy, and more than anything else, true.