La serie Celtic Brooch de Katherine Lowry Logan reúne 14 libros, entre ellos The Ruby Brooch, The Sapphire Brooch y The Emerald Brooch.
The Ruby Brooch
2012
The Last MacKlenna
2013
The Sapphire Brooch
2014
The Emerald Brooch
2015
The Broken Brooch
2016
The Three Brooches
2016
The Diamond Brooch
2017
The Amber Brooch
2018
The Pearl Brooch
2019
The Topaz Brooch
2019
The Sunstone Brooch
2021
The Bloodstone Brooch
2022
The Moonstone Brooch
2024
The Jasper Brooch
2025