
Marc Laidlaw is an American writer. Until 2016, he was a writer for the video game company Valve, where he worked on the Half-Life and Portal series.

Mirrorshades: The Cyberpunk Anthology
1986
ISBN 9780586087824
The Weird
2010
ISBN 9780857894878
Ghosts: Recent Hauntings
2012
ISBN 9781607013716
Semiotext(e) SF
1989
ISBN 9788888865720
A Dragon-Lover's Treasury of the Fantastic
1994
ISBN 9780446555173
New Cthulhu 2: More Recent Weird
2015
ISBN 9781607014591
New Cthulhu: The Recent Weird
2011
ISBN 9781607013280
The Year's Best Dark Fantasy & Horror, 2013 Edition
2013
ISBN 9781607013976
The Year's Best Dark Fantasy & Horror 2010
2009
ISBN 9781607012337
Fantasy
2006
ISBN 9780809556502
New Terrors
1980
ISBN 9780330261265
The Third Omni Book of Science Fiction
1985
ISBN 9780821715758
Weird Tales 3
1981
ISBN 9780890838037
Cutting Edge
1986
ISBN 9780312907723
Strani attrattori. Antologia di fantascienza radicale
1991
ISBN 9788886926188
Storming the Reality Studio
1991
ISBN 9780822311683
Vampirella Archives Volume 12
2015
ISBN 9781606905906
Eros Ex Machina
1998
ISBN 9781563335938
Best New Horror 15
2004
ISBN 9780786714261
Year's Best Fantasy #9
2009
ISBN 9780765324498
Million Mile Road Trip
2019
ISBN 9781597809924
Lightspeed Magazine, August 2013
2013

The Magazine of Fantasy & Science Fiction, Vol. 133.0

Mammoth Book of Alternate Histories
2010
ISBN 9781845297794