When social worker Wendy Lustbader was asked to take down the histories of residents in a retirement community, she discovered that "the man with Alzheimer's in room 410" was actually ninety-six-year-old Ole Harlen, a former concert pianist. "The woman who people-watches in the lobby" was really Lila Lane, who eloped to Tijuana with her sweetheart at age sixteen, and who at age seventy-five bemoaned the fact that she could no longer wear high heels.

Lustbader gathered these...