Best Ebook Sales Newsletters in 2026

SubstackWeekly · last post 15 days ago

News and updates, about my books on new releases, sales, preorders and giveaways.

Likely audience: Romance novel readers

SubstackSeveral times a week · last post 8 days ago

Looking for smutty, erotic, filthy, dirty, racy, and spicy stories? Settle in. {18+}

Likely audience: Substack readers

SubstackMonthly or less · last post 22 days ago

From recent posts: Arthur Slade publishes a newsletter dedicated to promoting his fantasy novels, audiobooks, and self-publishing sales. The content consists primarily of book announcements, purchase links, and brief personal updates.

Likely audience: audiobook listeners

Substacklast post Dec 28, 2024

From recent posts: Dark Mode Books publishes event announcements and technical updates for its 24-hour indie promotion of dark fiction ebooks on Amazon Kindle. The publication targets indie authors and readers interested in dark fantasy…

Likely audience: Dark fiction readers

Substacklast post Apr 1, 2025

Si quieres conocer qué fue Next Door y quién fue el Editor de guardia, aquí tienes mis cartas.

Likely audience: lectores