The Harker Trilogy

From Author Wars - https://authorwars.com/books/the-harker-trilogy-2326864.html

Overview:

Title: The Harker Trilogy
Author: Erin Hayes
Year: 2017
Type: Omnibuses
Series: The Harker Trilogy

Editions/Publications:

2017 . The Harker Trilogy (2017, Erin Hayes, Erin Hayes Books, $6.82, ebook, Omnibus)
2020 . The Harker Trilogy (2020, Erin Hayes, Erin Hayes Books, $29.99, digital audio download, Omnibus)