From the blurb:
Once again you are contacted by the enigmatic Professor Elsie Itcher. This time her strange pronouncements send you on a wild goose chase. But if the goose chase pays off, it could make your career!
Ancient Trails, Witness to History is a Mongoose Traveller adventure set in the Twilight Sector Campaign Setting. This adventure will test your science and problem solving skills as well as testing your gun hand. This is the second in a three part campaign arc started with Ancient Trails, So it Begins.
Don't forget to pick up the Audio enhancements for this campaign as well.