Earthdivers (Earthdivers #14)

Yellow Kid is on the run from Martin, who is desperate to know what happened to his children. Yellow Kid knows the truth, but before he can get too far, he runs across an old friend in the strangest way possible. Back in 1776, Emily has revealed her true identity as a time traveler from the year 2112, her well-being in danger, her mission on the verge of absolutely collapsing in on itself and having effects on the timeline she couldn't have imagined.