About Stonehenge Editorial:

Stonehenge Editorial, a literary project management company, assists authors, agents, and publishers by overseeing anthologies and novels from initial conception to final publication. With more than 20 years as a writer, editor, and book packager, John Helfers has worked on a wide variety of publishing projects, and can consult on all stages of a project, including conception, proposal creation, editorial, book packaging, and publishing.

Recent projects include Crucible (DAW Books, Inc.), volume nine in the Valdemar short story anthology series, edited by Mercedes Lackey, Chicks & Balances (Baen Books), volume six in the Chicks in Chainmail anthology series, co-edited with Esther Friesner, and Manhattan Mayhem (Quirk Books), the Mystery Writers of America's 70th anniversary anthology, edited by Mary Higgins Clark.

Upcoming projects include Fiction River: Visions of the Apocalypse (WMG Publishing), The Best Mystery Short Stories of 2015 (Kobo), co-edited with Kristine Kathryn Rusch, and Champions of Aetaltis (Mechanical Muse LLC), created and co-edited by Marc Tassin.

Nonfiction books:
“I Have an Idea for a Book...”: The Bibliography of Martin H. Greenberg, The Battered Silicon Dispatch Box, 2013. (Nominated for the 2013 Hugo Award for
Best Nonfiction Book.)
From the Jaws of Death (edited by Brogan Steele), St. Martin’s Press, 2010
The Vorkosigan Companion, co-edited with Lillian Stewart Carl, Baen Books, 2008. (Nominated for the 2009 Hugo Award for Best Nonfiction Book.)
When Man Is the Prey, co-edited with Michael Tougias, St. Martin’s Press, 2007
The Unauthorized Dan Brown Companion, Kensington Publishing, 2006
The Alpha Bravo Delta Guide to the U. S. Navy, Alpha Books, 2003
The Valdemar Companion, co-edited with Denise Little, DAW Books, 2001

Game Products:
Heroes of Thornwall (Aetaltis), editor, Mechanical Muse LLC, 2015
Battletech: Era Report: 3145, editor, Catalyst Game Labs, 2014
Shadowrun Almanac, co-editor, Catalyst Game Labs, 2010
Seattle 2072 (Shadowrun™) editor, Catalyst Game Labs, 2009
Battletech: 25 Years of Art & Fiction, fiction editor, Catalyst Game Labs, 2009 

Edited Anthologies:
No Humans Allowed, original anthology, Fiction River, WMG Publishing, forthcoming, 2017.
Visions of the Apocalypse, original anthology, Fiction River, WMG Publishing, forthcoming, 2016.
Champions of Aetaltis, original fantasy anthology based on world created by Marc Tassin, 2016.
Crucible: All-new Tales of Valdemar (Vol. #9), original anthology with Mercedes Lackey, DAW Books, Inc., 2015.
Recycled Pulp, original anthology, Fiction River, WMG Publishing, 2015.
A World of Shadows (Shadowrun™), original anthology, Catalyst Game Labs, 2015.
Chicks and Balances (Chicks in Chainmail Vol. #6), original humorous fantasy anthology with Esther Friesner, Baen Books, 2015.
Manhattan Mayhem (Mystery Writers of America’s 70th anniversary anthology), edited by Mary Higgins Clark, Quirk Books, 2015.
No True Way: All-new Tales of Valdemar (Vol. #8), original anthology with Mercedes Lackey, DAW Books, Inc., 2014.
Elemental: More Tales of Elemental Magic, original anthology with Mercedes Lackey set in her Elemental Masters world, DAW Books, Inc., 2013.
Shadowrun Returns, original anthology with Jordan Weisman, Harebrained Schemes, and Catalyst Game Labs, 2013.
How to Save the World, original anthology, Fiction River, WMG Publishing, 2013.
Elemental Magic, original anthology with Mercedes Lackey set in her Elemental Masters world, DAW Books, Inc., 2012.
Spells & Chrome: A Shadowrun Anthology, Catalyst Game Labs, 2010.
Future Americas, original anthology with Martin H. Greenberg, DAW Books, Inc., 2008.
Man vs. Machine, original anthology with Martin H. Greenberg, DAW Books, Inc., 2007.
Army of the Fantastic, original anthology with John Marco and Martin H. Greenberg, DAW Books, Inc., 2007.
Slipstreams, original anthology with Martin H. Greenberg, DAW Books, Inc., 2006.
In the Shadow of Evil, original anthology with Martin H. Greenberg, DAW Books, Inc., 2005.
Little Red Riding Hood in the Big Bad City, original anthology with Martin H. Greenberg, DAW Books, Inc., 2004.
Space Stations, original anthology with Martin H. Greenberg, DAW Books, Inc., 2004.
Much Ado About Murder, original anthology with Anne Perry and Martin H. Greenberg, Berkley Publishing Group, 2003.
Once Upon a Galaxy, original anthology with Wil McCarthy and Martin H. Greenberg, DAW Books Inc., 2002.
Speaking of Greed, reprint anthology with Lawrence Block and Martin H. Greenberg, Cumberland House Publishing, 2001.
Knight Fantastic, original anthology with Martin H. Greenberg, DAW Books, Inc., 2001.
Villains Victorious, original anthology with Martin H. Greenberg, DAW Books, Inc., 2001.
The Mutant Files, original anthology with Martin H. Greenberg, DAW Books, Inc., 2001.
Warrior Fantastic, original anthology with Martin H. Greenberg, DAW Books, Inc., 2000.
Speaking of Lust, reprint anthology with Lawrence Block and Martin H. Greenberg, Cumberland House Publishing, 2001.
Murder Most Medieval, original anthology with Martin H. Greenberg, Cumberland House Publishing, 2000.
Star Colonies, original anthology with Martin H. Greenberg and Ed Gorman, DAW Books, Inc., 2000.
Future Crimes, original anthology with Martin H. Greenberg and Ed Gorman, DAW Books, Inc., 1999.
Alien Abductions, original anthology with Martin H. Greenberg, DAW Books, Inc., 1999.
Black Cats and Broken Mirrors, original anthology with Martin H. Greenberg, DAW Books, Inc., 1998.