In World War Tree the characters are in a town which has greatly expanded over the past two years, due to a moss found on local trees. As a result of this, the nearby forest has suffered extensively, with large numbers of trees torn down. The forest has now decided that enough is enough and a force of living trees, of the appropriate type, is descending on the town to rip it to pieces.
This is aimed at d100 systems but is generic enough in nature to be adapted to others.
This PDF supports Adobe layers and the page backgrounds and images can be disabled to make printing easier.
One page is the cover, one the front matter and around half a page is ads.