From publisher blurb: Do you need an encounter map on the fly? Have Your players turned left instead right (again!)? Do You want to run a quick game for your friends in the evening and looking for inspiration? If you answered yes for one (or more) of these questions, The Forge Studios has released a product that suits your needs. Evening Session Map provides an excellent starting point for GM to make an interesting encounter or one shot adventure for one evening play. Each product in the line consists of notebook for a GM and handouts, which can be printed and presented to players. 'Evening Session Map #16' consists of maps and handouts of long-abandoned star observatory. The set consists of: an overview map ; a perspective drawing of observatory; three levels of observatory ( two above ground and one underground);