SECRET AGENT X-9: BY DASHIELL HAMMETT AND ALEX RAYMOND

This collection collects the complete Hammett/Raymond strips, plus the subsequent stories by Raymond and Leslie Charteris. — Description from Comic Vine community (comicvine.gamespot.com · https://comicvine.gamespot.com/secret-agent-x9-by-dashiell-hammett-and-alex-raymo/4050-81645/).