There are 3 books in the The Godhead Trilogy series. The newest book is The Eternal Footman which came out in 1999.

1
Towing Jehovah

Book cover of Towing Jehovah
On his 50th birthday, Anthony Van Horne meets the despondent angel Raphael, who tells him that God is dead, his body in the sea; and that Van Horne must captain the supertanker that will now tow the two-mile-long divine corpse northwards through the Atlantic. By the author of "City of…
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2
Blameless in Abaddon

Blameless in Abaddon
In the sequel to the award-winning Towing Jehovah, the body of a comatose God continues its odyssey, from the Arctic, to Florida where it becomes an attraction at Orlando's Celestial City USA, and to The Hague, where God must answer to the World Court for history's many injustices.

3
The Eternal Footman

The Eternal Footman
The Eternal Footman completes Morrow's darkly comic trilogy about God's untimely demise. With God's skull in orbit, competing with the moon, a plague of "death awareness" spreads across the Western hemisphere. As the United States sinks into apocalypse, two people fight to preserve life and sanity. One is Nora Burkhart,…