From the back of the book: First Strike! is a unique BattleTech game supplement created especially for players new to the game. It features thirteen ready-to-play scenarios that require only the contents of the boxed game to play: 9 scenarios for BattleTech, Fourth Edition, including a 3-part mini-campaign; 3 scenarios for CityTech, Second Edition, featuring battles from teh Clan invasion; and one huge scenario that combines them both in a titanic struggle for survival! New players and old hands alike can also create an endless variety of original scenarios with the new scenario-creation systems. Extensive sections on tactics offer players of all skill levels new insights into BattleTech and CityTech gaming strategies. First Strike! also includes new armored vehicles and OmniMech configurations for use with CityTech.