The Girl on Shattered Rock

Reeling after a break up with her abusive boyfriend, and with a deadline
looming, author Leah Dean flees to what should be an idyllic retreat on
the remote island of Shattered Rock. She has been promised peace and
seclusion, but finds neither. Leah is not alone on the island. A group
of kayakers have put to shore, but they are the least of her troubles.
Somebody is stalking Leah and will stop at nothing to keep a decades old
crime secret, even if it means killing every last person on the island.
If any of them are going to survive, she can't go on running: Leah must
face her greatest fear.