Founded in 1997, BookFinder.com has become a leading book price comparison site:
Find and compare hundreds of millions of new books, used books, rare books and out of print books from over 100,000 booksellers and 60+ websites worldwide.
Advanced Dungeons & Dragons, Dungeon Masters Guide:
Special Reference Work: a Compiled Volume of Information Primarily Used by Advanced Dungeons & Dragons Game Referees, Including Combat Tables, Monster Lists and Encounters, Treasure and Magic Tables and Descriptions, Random Dungeon Generation, Random Wilderness Terrain Generation, Suggestions on Gamemastering, and More. [via]