Book 10 of the Booktown Mystery series (series numeration from Goodreads.com).

Tricia and Angelica leave Booktown behind for a pleasure cruise, but they're going to need their life jackets because a murderer has also booked passage—in Lorna Barrett's New York Times bestselling series. While her bookstore, Haven't Got a Clue, is rebuilt following a devastating fire, Tricia Miles and her sister, Angelica, decide to book a cruise for some much needed R&R. Naturally they choose a Mystery Lovers cruise, where they can ponder whodunnit in deck chairs while sipping colorful drinks and soaking up some rays. But the fun is cut short when a fellow passenger is murdered for real. Is the killer a famous mystery author, one of his fans, or a member of the ship's crew? As Tricia tries to find the killer before they reach port, she may be cruising for a bruising...From the Hardcover edition.

Electronic reproduction. New York : Berkley, 2016. Requires OverDrive Read (file size: N/A KB) or Adobe Digital Editions (file size: 716 KB) or Kobo app or compatible Kobo device (file size: N/A KB) or Amazon Kindle (file size: N/A KB).