The Order of the Holy Sepulchre: The History of the Catholic Order Established during the Crusades for the Promised Land, is the second Charles River Editors book that I’ve read, and perhaps it might be my last. Much of the complaints mentioned for The Order of Santiago apply for this book as well.
This book is just an over simplified summary of the crusades in the holy land. It doesn’t really go into detail regarding the history The Order of the Holy Sepulchre from it’s inception to its current form. In fact it mentions the Order’s military role, which as far as I’m aware, unlike other religious orders; The Order Holy Sepulchre didn’t participated in the actual military campaigns. But rather as strict religious and chivalric order only. Whose only military duty was to guard to The Holy Sepulchre itself in Jerusalem, similar to the Citadel guards in The Lord of The Rings.
Given that Charles River Editors books are essentially available free of charge if you own a Kindle, I would not otherwise recommend reading them.