Mellony has just married Garrett. The adventure starts with the couple on the tall ship Maria Fulgria that is part of Mellony’s dowry. Married to a Merman by Elena Moore is set in the 1800s mixed with historical and paranormal romance.

The marine biology and oceanography are mixed in with made-up words for the gigantic creatures Doyle creates.

The Mermaid: A Love Tale by Lily Dougall is a Victorian-era story from 1895 written by a feminist.

Skin of the Sea and Soul of the Deep by Natasha Bowen are two of my favorite mermaid books when it comes to world building.