"Previously published as Christmas Tree Mystery by Kelly K Young."'Tis the season to get your geek on!Casey and Jim, along with some of their friends, travel to Vulcan, Ontario to attend the first annual Geek the Halls Christmas event, in hopes of getting some of the missing ornaments for their Star Trek Christmas tree. While there, some of the rarest ornaments go missing, and it's a mad rush to find the valuable pieces before the police are brought...