The first publication bearing the title "Monster Manual" was written by Gary Gygax and published in 1977 as a 108-page book. It was the first hardcover book for any "D&D" game, and the first of the core manuals published for the new "Advanced Dungeons & Dragons" ("AD&D" version of the game. The "Monster Manual" was a supplement to the game, intended to describe the standard monsters used in "AD&D". The book was a compendium of more than 350 monsters. Some monsters were new—others were compiled and revised from older sources such as "Monsters and Treasure", "Greyhawk", "Blackmoor", "Eldritch Wizardry", "The Strategic Review" and "Dragon" magazine. Each monster was listed alphabetically with a comprehensive description and full statistics and was, in many cases, supported by an illustration.