When I see places light up, I let out a gasp but mom just chuckles, “don’t worry. Everything I see is something I’ve hidden.”

“Oh,” I say. Mom goes from room to room and checks each lit area. When she finds nothing out of place and nothing extra, each lighted area goes back to normal. When she returns to the room she looks even more exhausted but a little relieved.

“You are to come home right after school and I am going to teach you a few new ...