In the vein of timely titles such as Katherine Applegate's Wishtree and Alan Gratz's Refugee comes a touching, accessible middle-grade debut about the ongoing Syrian refugee crisis, as well as the life-changing power of friendship and standing as an ally. There used to be an empty chair at the back of Mrs. Khan's classroom, but on the third Tuesday of the school year a new kid fills it: nine-year-old Ahmet, a Syrian refugee. The whole class is curious about this new boy--he doesn't seem to smile ...