From the publisher's website:-
You need to own Hold the Line in order to play with this expansion pack.
The French and Indian War expansion for the Hold the Line contains the following:
8 page color rule/scenario book
French army counters
Indian Warrior counters
British Roger's Rangers type counters
New hex tiles for Indian villages, open water, boats, forts and additional forest terrain tiles.
The following scenarios are included with this set:
Battle on Snowshoes March 13, 1758
Louisbourg June 8 1758
Montmorency Falls July 31, 1759
Ste-Foy April 28, 1760
Bloody Bridge July 31, 1763