Author Hannah Mary McKinnon / Holly Cassidy's Newsletter
Substacknewsletter · by Author Hannah Mary McKinnon / Holly Cassidy's Newsletter · English
- Audience
- 5K subscribers
- Shown publicly on Substack
- Publishing
- Monthly or less
- 1 post indexed in the last 90 days
- Last post
- Sep 18, 2026
- 42 days ago
- Likely audience
- Book lovers
- Inferred from post content
Author Hannah Mary McKinnon / Holly Cassidy's Newsletter is a Substack newsletter by Author Hannah Mary McKinnon / Holly Cassidy's Newsletter covering Canadian literature, Publishing industry and author newsletters. NewsletterFIT indexed 1 post from it in the last 90 days, most recently on Sep 18, 2026. Shown publicly on Substack: 5K subscribers.
Topics
- Canadian literature
- Publishing industry
- author newsletters
- romance fiction
- Thriller writing
Recent posts
- ABOUT GOING…
- HO-HO-HOLIDAY GIVEAWAY!…
- TWO PARTY…
- A KILLER…
- WINTER IS…
Sponsors detected
No sponsored posts detected in the last 180 days of indexed posts.
Detected automatically from posts marked as sponsored. Detection can miss or misread placements.
See the full picture on Author Hannah Mary McKinnon / Holly Cassidy's Newsletter
Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.
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Compiled from public pages · refreshed Oct 22, 2026 · How NewsletterFIT collects and labels data