Granny on Board by Harper Lin

https://thebookvoice.com/podcasts/2/audible/146794 to listen full audiobooks. Title: Granny on Board Series: Secret Agent Granny Series, Book 7 Author: Harper Lin Narrator: Sara Morsey Format: mp3 Length: 3 hrs and 31 mins Release date: 05-03-21 Ratings: 5 out of 5 stars, 14 ratings Genres: Sea Adventures Publisher's Summary: Octavian takes Barbara on a seniors’ cruise for her 71st birthday, but the vacation is not all piña coladas and shuffleboard. Barbara makes a frenemy in Georgina Branch, queen bee to a group of equally conniving girlfriends. Barbara is sure one or all of them killed the passenger, who accidentally fell overboard early in the trip. Barbara and Octavian are stuck on a ship with a murderer, but at least, the cruise has plenty of booze.