Reletter
Artwork for SUM FLUX

SUM FLUX

Sandolore Sykes, Honeygloom, Jon T, Caitriana NicNeacail, Sean Thomas McDonnell, Will Boucher, Bob Graham, James Worth, Annie Hendrix, SUM FLUX, Jay Oatway

Welcome to SUM FLUX, a repository of extraordinary prose.

Platform
Substack
PricingOnly free issuesPublishesDaily
Issues86SubscribersRead sumflux.substack.com

Curious about how many subscribers SUM FLUX has or want to find similar newsletters? Reletter has got you covered. We collated all the information we could find from across the web in our database of over three million newsletters.

Check the email archives, get traffic estimates, engagement scores and more to discover the best advertising opportunities.

Our search tool helps you locate relevant newsletters for any topic and compare their stats for better sponsorship decisions.

Contact Information
How Many Subscribers?
Reletter gives you subscriber numbers, contacts, chart rankings, traffic estimates and more across 3m+ newsletters.

Latest Issues

Recent posts by this newsletter. Browse the email archive.

The Tammies are In

###

4 months ago
37
8

A Model Bruce

* * *

4 months ago
40
19

Bruce in Toledo

This Bruce is one of many.

4 months ago
37
14

Authors

The writers behind this newsletter.

  • Sandolore Sykes

    Playful, melancholy, raucous, and dark. Half critter, half Zarathustra, but lots of people in-between.

  • Honeygloom

    A tortured creature from the void, I \ud83d\udda4 plants and black magic.

  • Jon T

    I'm a writer, designer, and musician writing speculative short fiction.

  • Caitriana NicNeacail

    Loves physics, history, theology, sci-fi, birds, beetles, the sea, and exploring new places far and near. [Banner image: NASA, ESA, Hubble Heritage Team]

  • Sean Thomas McDonnell

    Contest-winning horror and speculative fiction writer.

  • Will Boucher

    Writer sometimes, weirdo always.

  • Bob Graham

    Your new favourite uncle. Fiction in SUM FLUX and ENDLESS STATIC.

  • James Worth

    jw. gay guy. boston. writing the whole entire world back to life. book: https://drekdeathanddoom.com/product/mars-in-retrograde-launch-bundle/

  • Annie Hendrix

    Author of Misanthrope: A Collection of Poems (Feb 2026). Featured in the fiction anthology The Midnight Vault (2025). Writer & Producer of Folkish (2020) and Three Songs (2016). Join for weekly poetry, fiction, and occasional sound experiments.

  • SUM FLUX

    Outlived the "zine" long enough to become something entirely different.

  • Jay Oatway

    Jay Oatway’s weird slipstream fiction has recently appeared in Elegant Literature and has been shortlisted for the Writers of the Future Award. Jay splits his time between HK and the UK, drawing forbidden powers from the alternate reality of jetlag.

  • Frequently Asked Questions

    How can I access the email archive for SUM FLUX?

    You can find recent issues that have been published by SUM FLUX on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.

    How many subscribers does SUM FLUX have?

    To see how many people subscribe to SUM FLUX, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.

    How can I advertise in SUM FLUX?

    Newsletter advertising can be extremely effective when it's done right. Before you pitch SUM FLUX as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.

    Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.

    How much does it cost to sponsor a publication like SUM FLUX?

    Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.

    To find out how much an ad will cost, contact SUM FLUX using the contact information provided and ask for a copy of their media kit.

    How can I find newsletters similar to SUM FLUX?

    Scroll up to where it says Similar Newsletters to see other publications like SUM FLUX. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.

    How do I contact SUM FLUX?

    Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.