Harry Turtledove
Teenager Annette Klein and her family are secret agents of Crosstime Traffic, sending commodities of the future back to their own timeline. During an attack she is separated from her parents, taken as a slave, and then the really scary thing happens--her purchasers take her to an unofficial crosstime portal.
Science Fiction,Alternate History,Science Fiction,Fiction,Young Adult,Fantasy,Science Fiction,Time Travel,Historical,Historical Fiction,Speculative Fiction,Science Fiction,Alternate Universe
In High Places