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DEFCON ONE PUBLISHING

Books Illustrated By Justine McGreevy

Justine McGreevy is a slowly recovering perfectionist, writer, and artist. She creates realities with the hope of making our own a little brighter. You can see more of her artwork and find links to connect on social media through her website justinemcgreevy.com

Cover Art for Battling in All Her Finery
Battling in All Her Finery: Historical Accounts of Otherworldly Women Leaders
Cover art for Mad Scientist Journal - Summer 2019.
Mad Scientist Journal - Summer 2019
Cover art for Mad Scientist Journal: Winter 2019
Mad Scientist Journal - Winter 2019
Book Cover: Mad Scientist Journal - Winter 2020
Mad Scientist Journal - Winter 2020
Cover of Mad Scientist Journal: Autumn 2012
Mad Scientist Journal: Autumn 2012
Cover of Mad Scientist Journal: Autumn 2013
Mad Scientist Journal: Autumn 2013
Cover for Mad Scientist Journal: Autumn 2014
Mad Scientist Journal: Autumn 2014
Mad Scientist Journal: Autumn 2015
Mad Scientist Journal: Autumn 2015
Cover for Mad Scientist Journal: Autumn 2016
Mad Scientist Journal: Autumn 2016
Cover of Mad Scientist Journal: Spring 2013
Mad Scientist Journal: Spring 2013
Cover for Mad Scientist Journal: Spring 2014
Mad Scientist Journal: Spring 2014
Cover for Mad Scientist Journal: Spring 2015
Mad Scientist Journal: Spring 2015
Mad Scientist Journal Spring 2016
Mad Scientist Journal: Spring 2016
Cover for Mad Scientist Journal: Spring 2017
Mad Scientist Journal: Spring 2017
Cover Art for Mad Scientist Journal: Spring 2018
Mad Scientist Journal: Spring 2018
Cover of Mad Scientist Journal: Summer 2012
Mad Scientist Journal: Summer 2012
Cover of Mad Scientist Journal: Summer 2013
Mad Scientist Journal: Summer 2013
Cover for Mad Scientist Journal: Summer 2014
Mad Scientist Journal: Summer 2014
Mad Scientist Journal: Summer 2015
Mad Scientist Journal: Summer 2015
Cover for Mad Scientist Journal: Summer 2017
Mad Scientist Journal: Summer 2017
Cover Art for Mad Scientist Journal: Summer 2018
Mad Scientist Journal: Summer 2018
Cover of Mad Scientist Journal: Winter 2013
Mad Scientist Journal: Winter 2013
Cover for Mad Scientist Journal: Winter 2014
Mad Scientist Journal: Winter 2014
Cover of "Mad Scientist Journal: Winter 2015"
Mad Scientist Journal: Winter 2015
Mad Scientist Journal: Winter 2016
Mad Scientist Journal: Winter 2016
Cover for Mad Scientist Journal: Winter 2017
Mad Scientist Journal: Winter 2017
Cover art for Mad Scientist Journal: Winter 2018
Mad Scientist Journal: Winter 2018
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News

  • February 2026 Recap!

    By the numbers: Stories out at the beginning of the month: 33 Acceptances received: 2 Rejections received: 14 Stories withdrawn: 0 Resubmissions: 23 New Submissions: 0 Stories out at the end of the month: 40 February turned out pretty good on the resubmissions front, as I managed to send out more pieces than I received

  • Fun for Friday: March 2026 Writing Prompts!

    It’s almost March, so it’s time for the March 2026 writing prompts! This month, we’re starting with a throwback or two. Column 1 (and the image) is from my March 2018 writing prompts, and column 2 is from my March 2019 writing prompts. I figure those are plenty old to bring them back. (And we

  • Review of The Iron Below Remembers by Sharang Biswas

    The Iron Below Remembers by Sharang Biswas (Neon Hemlock, 2025) is a charming novella that mashes up academia and superheroes with a largely LGBTQ+ cast of characters. Professor Laxman Yadav, who specializes in art history and archaeology, is brought in to examine a recently unearthed artifact, a rare example of a fully intact technology from

  • Fun for Friday: DCO Instagram Prompts Are Back!

    I’m back with prompts from the DefCon One Instagram account! These are from late September and through October, so some of them have a bit of a fall theme. Write a piece about someone using a fork as a rake … or vice versa? Write a piece featuring a new candy trend. Write a piece

  • This Book Has Ghosts in It Cover Reveal

    My next collection, filled with spooky stories and poetry, will be called This Book Has Ghosts in It, and it’s available for pre-order in ebook now! Ghosts of the modern era aren’t always those of the deceased. In this collection are ghosts of ideas, creatures of death, and creepy plants and places, in addition to the

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