From publisher blurb: CLASSIC STAR TREK MYSTERY AND ADVENTURE IN THE ARACHNID NEBULA "Captain’s Log, Stardate 3629.2. We have received an emergency distress call sent by the laboratory ship, Sirius. Reporting that it has suffered significant engine and power trauma, the results have left the ship crippled near the Arachnid Nebula, which it had been studying for several weeks. We are now en route to lend whatever aid we can to the ship and her crew." This standalone 24 page PDF adventure by Sean Gore for the Star Trek Adventures roleplaying game has your Starfleet crew respond to a distress call in the Arachnid Nebula, in an adventure set in the Original Series. Can you save the Starship Sirrius, investigate ancient alien ruins, and uncover a mystery that threatens to destroy both your ships?