BradyGames' Star Trek: Invasion Official Strategy Guide features: Mission Strategy - A graphical walkthrough of all 30 missions. Whether your objectives are to protect, attack, or chaperone, we will guide your ship to victory. Ships & Weapons - Everything from developing your ship as the mission progresses and master various tactical maneuvers, to a complete rundown on your entire arsenal. Multiplayer - Learn how to prevail in all five of the two-player missions. PLUS SECRETS - Complete coverage of the Secret Missions and Weapons!