Published in Command magazine Issue #46.
1st edition errata is now posted here, including corrected scenarios and corrected jpeg of the counters.
Moves magazine #92 p. 30 published a variant by the game's designer William M Marsh called "Gentleman Johnny's Second Chance" which postulated Burgoyne halting at Ticonderoga in 1777 and continuing onward the following spring.
Compass games is working with the original designer on a 2nd edition.