Her slight smile lasts only until the flap falls shut behind him, then vanishes utterly.

If the school ends up being shut down, it's going to be a problem for more reasons than the children's education alone.

Roslin scrawls a carefully-worded note in code phrases that would mean nothing to an untutored eye, tucks it under the flap of the second box in the pile stacked on the chair, and then returns to the classroom.