The Moonshae Trilogy

From Author Wars - https://authorwars.com/publications/the-moonshae-trilogy-319309.html

Overview:

Title: The Moonshae Trilogy
Author: Douglas Niles
Year: 1989
ISBN-10: 0880389249
Publisher: TSR
Price: $11.85
Pages: 380+347+345
Binding: Paperback
Type: Omnibus
Title Reference: Darkwell
Notes: Boxed set.
Month of publication from amazon.uk.