What The Bible Says About Hell - Jeffery Curtis Poor
What The Bible Teaches About Hell - H.B. Charles
Hell is a place of eternal punishment.
Hell is not eternal. Those who suffer God's wrath in hell are ultimately annihilated.
This website takes an annihilationist view but it is irenic in its approach and contains a wealth of information.
Hell is not only not eternal, everyone will ultimately be saved. In fact, hell might not even exist.
This view gets its own page on this site.