AD&D 1e: MONSTER MANUAL II (Second Printing, 1983)

This is the third of the series of world famous AD&D role-playing aids. it is the ideal vehicle of imagination for intermediate through advanced players and referees, ages 10 and up.

From the back of the book:

A *must* for the serious AD&D game player. This manual contains all the new members, from Abishai to Zygom, including new creatures like the Deadly Pudding, Devas, and Valley Elves. And you'll also have the advantage of the expanded lists of lycanthropes, giants and other beasts.