The Feathered Octopus / Repel

From Author Wars - https://authorwars.com/books/the-feathered-octopus--repel-1517458.html

Overview:

Title: The Feathered Octopus / Repel
Author: Lester Dent
Year: 2005
Type: Omnibuses
Series: Doc Savage (Black Mask reprints)
Number in Series: 28

Variant Titles:

2005. The Feathered Octopus / Repel