Then he saw it.

Leo tried to drag a mango to the slicer. The mango didn't move. Instead, a single line of text appeared above his monkey avatar, Bubbles.

It was 2:15 PM on a Thursday. The last period of the day. Mr. Henderson was droning on about the quadratic formula, but Leo’s mind was elsewhere. It was on the perfect, chaotic aisles of Monkey Mart .