Earthdivers (Earthdivers #13)

"The pen is mightier than the sword." Nice sentiment, but change of plans. When a new obstacle threatens to undermine the connection Emily has built with Benjamin Franklin-and all the progress she's made toward changing the future-she adopts some moves from Tad's playbook and starts spilling blood in 1776. And speaking of Tad? Back in 2112, Sosh and Yellow Kid discover that it might be more than just his legacy that lives on...