Exposition

That Jonah, JB, and Katherine are in the 1600s in the year 1611. They on the exposition ship to Canada (or what will be Canada. They were trying to find Henry Hudsons son, John Hudsons. They lost track of john himself and only found the tracer. JB want Jonah to act like john Hudson. But Jonah wanted to follow and fined out if he was even able to be him. Then they found themselves in a middle of a mutiny.

Novel

The author is Margaret Peterson.
The titles name is The missing: book 4 "torn"
For what I think for now about the book is that our two time travelers are now experiencing a different time stream then the original. They will need to fix time and need to figure out why on how to fix this time or the future they know will change.