In Harry Turtledove's The Disunited States of America, Justin's having the worst trip ever. He and his mother are Time Traders, traveling undercover to different alternate realities of Earth so they can take valuable resources back to their own timeline. In some of these worlds, Germany won World War I or the world has been destroyed by nuclear warfare. Justin and his mother are in an America that never became the United States: each state is like a country, and many of them are at war with each other. Their mission takes them to Virginia, which is on the verge of bloody violence with Ohio.
Beckie is from California, and like the rest of her world, unaware that Time Traders exist. The only reason she's in small town Virginia is because her grandmother dragged her there to visit old relatives. Beckie is just as horrified by the violence and racism of the alternate Virginia as Justin is, and the two are drawn to one another. But when full-fledged war breaks out between the States, including a biologically designed plague, will either of them manage to get back home? Forget about home: Will they make it out alive?
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