50 word fiction

give or take a few words...

she squinted into the midday desert sun. heat waves on the horizon nearly hid the approaching truck, but she saw it. 

standing there sweating, she wished the driver would hurry the hell up. at this rate, he was still several minutes away, minutes she didn't have. 

"put the gun down, put the gun down," she sang under her breath. "imma set fire to the whole damn house..."