Adrift is book 1 of a trilogy, all available on KU.
Dan & Elaine decide to spend their honeymoon on the Oceanus cruise ship, which turns out to be a deadly mistake. Soon power & communications are cutoff & the passengers are trapped in the middle of the Atlantic Ocean with bloodthirsty monsters. The story follows various people on board as they try to survive. Overall, the book was great. It's fast paced & well written.