The alibi
written [and
Lunches are going missing. Who could be taking them? When Sarah invents a new computer game to tell her who the sandwich snatcher is, everyone is keen to play it.

by Kathy Beckwith (2005)
Dan, Jen, Jeff, and Luke enjoy dividing into soldiers and enemies to play war, but when Sameer, a new boy in the neighborhood, tells of losing his family in a real war, they feel differently about the game.
written [and
Lunches are going missing. Who could be taking them? When Sarah invents a new computer game to tell her who the sandwich snatcher is, everyone is keen to play it.