Timekeepers: Civil Disturbance

Guns and assassins and ghosts-- oh my!Kristen and Brad are visiting their cousin Sally. It's just a family vacation; what could possibly go wrong?? Apparently, a lot. Kristen is visiting a museum for school research and suddenly discovers she's been thrown back in time.... AGAIN. Luckily she's not alone, as a cute museum volunteer travels to 1865 with her. Together the two must discover what needs to be done, and steel themselves to deal with a tragic national event.Elsewhere, Brad and Sally are also on an educational mission. However, a bonehead move by Brad triggers a cosmic timeshift for these cousins, as well. Abruptly thrust into 1865, they find themselves drafted into a life-saving--and potentially deadly--mission.Can the two sets of teens put history on the right track? And can they also manage to get back to their own time? ~ ~ ~ ~
Target audience is ages 11-up. The book is approximately 51,600 words.