Richard Polsky"s seriously hilarious new book Boneheads: My Search forT. Rex leads us deep into the South Dakota badlands where he discovers a losttribe -- the Boneheads -- and becomes one of them. This oddball group of dinosaur hunters is intent on bagging the Holy Grail of the profession -- a Tyrannosaurus rex skeleton. Fewer than fifty skeletons have ever been found, but one of them brought $8.3 million at Sotheby"s.Meet the Boneheads, a modern stone-age family: There"s Stan and Steve Sacrisson, eccentric twins from South Dakota, with an uncanny sense for locating rexes. Though one is a gravedigger and the other sleeps in his car, the pair have discovered three of them. Then there"s cowboy Bucky Derflinger who discovered two rexes and bought a cattle ranch with the million-dollar proceeds. And finally there"s the tribe"s monarch: Bob Detrich, a former male model and ball-bearing salesman who goes by the name Fossil King. Polsky goes into the field to follow a childhood obsession,...