* '''Published:''' September 1987 * '''Publisher:''' TSR * '''Author:''' Gary Gygax, Lawrence Schick, Wm. John Wheeler * '''Format:''' 80 page booklet, 48 page illustration booklet and 16 page map and inscription booklet wrapped in a cover * '''Rules:''' AD&D 1st Edition * '''Product:''' * [[http://www.acaeum.com/ddindexes/modpages/super.html|Acaeum: Supermodules]] * [[http://rpggeek.com/rpgitem/44161/realms-of-horror|RPG Geek]] * [[http://index.rpg.net/display-entry.phtml?mainid=1199|RPG Net]] * [[http://tsr.bothgunsblazing.com/dd1/s1-4.htm|TSR Archive]] * [[wp>Realms of Horror|Wikipedia]]
Tomb of Horrors, White Plume Mountain, Expedition to the Barrier Peaks, and The Lost Caverns of Tsojcanth… four modules that are already classics in the AD&D game system. In this module you will find those four adventures in a newly-revised, re-edited for ease of use in a gung- ho, let's-do-it-all-at-once campaign for your intermediate level characters. This product contains an 80-page adventure booklet, a 48- page illustration booklet, and a 16-page map and inscription booklet.