Star Trek Adventures Klingon Empire Gamemaster Toolkit comes with all of reference tools a GM would need to run a game. It features a four-panel GM screen with rules of the 2d20 system and a standalone adventure one-shot. The kit also comes with a map of the Alpha and Beta sectors plus six double-sided reference sheets. This toolkit will retail for $46.83.
Modiphius Entertainment also released the Star Trek Adventures: The Klingon Empire Core Rulebook, this Fall (see "The Klingon Empire Invades 'Star Trek Adventures RPG'!").