From the beet fields of North Dakota to the National Forest campgrounds of California to Amazon's CamperForce program in Texas, employers have discovered a new, low-cost labor pool, made up largely of transient older Americans. Finding that social security comes up short, often underwater on mortgages, these invisible casualties of the Great Recession have taken to the road by the tens of thousands in late-model RVs, travel trailers, and vans, forming...

"They are an unlikely pair: George is "small and quick and dark of face"; Lennie, a man of tremendous size, has the mind of a young child. Yet they have formed a "family," clinging together in the face of loneliness and alienation. Laborers in California's dusty vegetable fields, they hustle work when they can, living a hand-to-mouth existence. For George and Lennie have a plan: to own an acre of land and a shack they can call their own. When they...