Marvel Comics Essential Thor Vol. 5 Trade Paperback contains work by Gerry Conway, Len Wein, John Buscema & others.
Thor, God of Thunder, wields Mjolnir across the nine worlds to save lives and thwart those who would imperil the Earth - the Absorbing Man, Demon Druid and Mercurio the 4th-Dimensional Man - and the greatest threats the universe has ever known: Mephisto; Xorr the God-Jewel; Ego the Living Planet; and Surtur, the Fire-Demon! Also featuring Asgardian favorites the Warriors Three, Balder, Heimdall, Odin and Sif! Collecting THOR #196-220.
It is 528 pages and is rated A.