Demian's Gamebook Web Page

Person - Costello, Matthew J.

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Items with "Costello, Matthew J." as Credited Author

Note: This list is sorted by the earliest known dated edition for each title; earlier editions may exist.

Date Unknown

The 7th Guest

1984

Final Challenge
The Thing in the Darkness

1985

Alone Against the Dark
Wheel of Destruction

1986

Hex: Escort to Hell

1987

KGB Doublecross
Robert Silverberg's Majipoor: Revolt on Majipoor

1988

Daredevil: Guilt by Association
Robert Heinlein's Glory Road: Fate's Trick

2002

Escape from Horror Island

2010

The Paradox Labyrinth

2020

Allein gegen die Dunkelheit