The Game Master's Tools provide all the rules and references the Game Master needs to have on hand to transport his players to the Final Frontier. He also gives them cheat sheets for each of the roles they can take on in Starfleet and on the bridge of a Federation ship.
Game Master Tools include:
A Game Master screen made up of 3 A4 panels in landscape format and joined on the "short" side, full of rules for the 2d20 system and reference tables that you will need during the games.
An evocative space combat scene illustrated on the outside of the screen that will spark your players' imaginations.
6 reference sheets printed on both sides including the actions of each charge on a spaceship, tables of Inertia uses and references to conflict rules.
To use this supplement you need the Star Trek Adventures core manual.