Our idea is to allow you easier start with By Fire and Sword.
With a free core rules and free rules of the Skirmish Force the only thing you need to buy is a box with Skirmish Force
Please look at two Skirmish Forces: Swedish Detachment and Transylvanian Combat Patrol. As we have received a lot of feedback from you those forces are not as good and "Cavalry" Swedish Skirmish and Transylvanian Pillaging Raid we have made decided to change them a little bit to bring the balance of the force We hope you'll like those changes.
By Fire and Sword Team
but all they're done is pdf some pages from the book -- but then if you don't have the book(s) its FREE