My friends Charles Randolf Bruce and Carolyn Hale Bruce have written a historical novel series they calls the "Chronicles of Robert de Brus, King of Scots". There are currently three volumes:
Rebel King, Hammer of the Scots
Rebel King, The Har'ships
Rebel King, Bannok Burn
These are available from "Ahead of the Hangman Press" www.rebelking.com

The Bruces are currently working on a movie series based on these novels. If you enjoy excellent historical novels be sure and check these out.

Larry Dirr, Model for the illustration of Alexander Macdougall, Book Two, page 365 "The Har'ships"