From the back: "Tired of facing the same old kobolds? Blackdirge's Dungeon Denizens takes the very best original monsters from the pages over 55 Dungeon Classics adventures, converts them to 4th edition, and compiles them into one volume. Here you'll find more than 100 unique monstrous foes from level 1 to 30, plus a few classics updated for the fourth edition of the world's most popular fantasy roleplaying game."