"From perfecting your writing to navigating the right time for submission and understanding the financial aspects of publishing, there are critical steps to follow. In this comprehensive guide, we’ll walk you through the process of submitting your manuscript to a publisher successfully, covering everything from when to submit to the costs involved."
In addition to the guide that's laid out on the page, they also have some very useful links at the top. For those of you who want to submit a manuscript, this seems like a helpful tool in doing so.
"Atmosphere Press is a selective hybrid publisher founded in 2015 on the principles of Honesty, Transparency, Professionalism, Kindness, and Making Your Book Awesome. Our books have won dozens of awards and sold tens of thousands of copies. If you’re interested in learning more, or seeking publication for your own work, please explore the links below. "
https://atmospherepress.com/how-to-submit-a-manuscript-to-a-publisher/