I remember when my nieces were little and their mother would come at them with a tissue. They would turn their heads as she approached, squirming as she zeroed in on the snot zone. "Blow," she commanded, "or I'll get the aspirator." That threat was all it took for them to take a breath and expel any accumulating mucus. I thought of that story when I came across this little gem: Nosefrida The Snotsucker,...