Kirby Sommers
ExcellentAuthor and investigative journalist writing original content on the space between Area 51 and Breaking Bad. For my books: kirbysommers.com
Frequent updates that readers actually engage with
4-5x/week
RisingCommunity
Marco Polo
by Marco Polo
PodcastCommunity
Last synced: May 27, 2026
Marco Polo by Marco Polo has 40,000 subscribers, making it a newsletter in History and charges $7/month for premium content.
Nonprofit investigations group
Similar Newsletters
The Lownie Report
ExcellentSubscribe to The Lownie Report for exclusive illustrated extracts from my books, my podcast, and for articles about the worlds of intelligence, royalty and the establishment.
Growing fast with a highly engaged audience
4-5x/week
RisingPodcastCommunity
Dead Language Society
ExcellentEnglish is weirder than you think. A weekly dive into the hidden history of everyday words.
Growing fast with a highly engaged audience
Weekly
RisingPodcastCommunity
History Never Ended
ExcellentHistory Never Ended is a Substack trying to make sense of the chaotic present by reaching back into the misremembered past.
Long-form writing with a devoted readership
4-5x/week
Community
NicheIndex Score
Growth Intelligence
Audience & Engagement
Competitive Positioning
Content Profile
Pricing Benchmark
Unlock Full Intelligence
Updated daily from real subscriber data. One insight pays for the year.
30-day money-back guarantee
More in History
Kirby Sommers
9,000 subscribers
The Lownie Report
11,000 subscribers
Dead Language Society
56,000 subscribers
History Never Ended
5,000 subscribers
▶Are you the publisher of Marco Polo?
Claim this profile to add verified metrics and improve your listing.