Mark Costello (disambiguation)
"Mark Costello" is composed of at least 3 distinct authors, divided by their works.
About the Author
Author Division
Mark Costello (unknown)
Common Knowledge
- Disambiguation notice
- #1 Mark Costello, b. 1936, USA - The Murphy Stories
#2
#3 Mark Costello, (pseudonym John Flood), b. 1962 - Bag Men
#4 Mark Costello - RPG guy - Prime Directive