A Dozen Undead Secrets

From publisher blurb:

In the darkest of campaign settings and the deepest of dungeons, the undead are waiting to strike. Skeletons guarding ancient tombs. Ghosts haunting abandoned houses. Ghouls crouching in wait in the dim alleys of the evil cities of the realms. Everywhere that there are good-aligned heroes, there are evil undead either working to support the will of their masters or to fulfill some wicked goal that prevents them from moving on to the next plane of existence.

What follows in these pages are twelve undead secrets, each one of which is presented as a rumor that the player characters may overhear in any tavern or inn in the campaign world.