Details like backgrounds, names, and even descriptions for villains and other non-player characters are generally omitted to keep adventures flexible, and better enable game masters to adapt or change stories.
It is recommended that you use a website like this one to quickly generate additional background information when you run these adventures.
Adventures in the Greenrun – a full-length campaign for 2-6 players. AitG introduces the bitter land of Icehorn and its sole habitable region, the Greenrun. Home to nearly all life on the otherwise vast and empty continent, the Greenrun is a lush boreal valley filled to the brim with forests and lakes, mountains and rivers, and adventures beyond imagination.