We'd been studying Bedouins in my fifth-grade class, how they carried only what they needed or loved on the backs of ornery camels, and how other, territorial groups kept them hopping. In my experience nannies were far more nomadic. They had time at our house to knit just one argyle sock, complete just one jigsaw puzzle, or paint (by numbers) just one seascape before my mother made them repack their belongings and move on.
I therefore paid little attention when prospective nannies came for interviews, but I can still remember my mother's words after her first encounter with Glendora. "She could play...