Serpents and Sharks
by Michelle Lashier
Time-portal guardian Joanna Mason McGregor is visiting Galveston when she discovers everyone she cares about is in danger. When Joanna goes missing, her twin sister Jill Mason Goodwin, with the help of the twins' husbands, must successfully navigate duels, deserted islands, shipwrecks, lost treasure, pirates, and a powerful adversary if she's going to rescue Joanna in time.