Doc Savage Omnibus #6

From Author Wars - https://authorwars.com/books/doc-savage-omnibus-6-1517086.html

Overview:

Title: Doc Savage Omnibus #6
Author: William G. Bogart Lester Dent
Year: 1988
Type: Collections
Series: Doc Savage omnibuses

Variant Titles:

1988. Doc Savage Omnibus #6