We offer several different options to grow your newsletter list & audience:
1. BookFunnel Promos
Grown with Hart is sponsoring promotions every month on BookFunnel. Each builder has a specific theme, thus attracting the right kind of readers who will stay on your newsletter list for good! The best part? Join for FREE!

June BookFunnel Promo
Date: June 1st – 30th
Theme: Mountain Men
Sign up here: https://dashboard.bookfunnel.com/bundles/board/c4m3p4lew6
July BookFunnel Promo
Date: July 1st – 31st
Theme: Age Gap Romance
Sign up here: https://dashboard.bookfunnel.com/bundles/board/t059d90ykx

2. Book of the Month Clubs

Our Book of the Month Clubs are currently all filled up! Check back in October to sign up for our 2026 Book of the Month Clubs.
We’re offering the following Book Clubs in 2025:
- Contemporary Romance
- Instalove Romance
- MC & Mafia Romance
- Steamy Romance
- German Translations
- Wide Books (Published on multiple platforms)
3. Simple Newsletter Builder
Looking for a newsletter builder that doesn’t require a free book? This is the builder for you! No reader magnet necessary.
Our next Simple Newsletter Builder is in August.

4. Quarterly Series Collaborations

Misty Mountain
**Collab Complete**
This was a huge hit and we’re so excited to organize more multi-author collabs in the future. Check back for 2026 collabs soon!
Savage Kings MC
We’re already in the process of organizing our next multi-author collaboration with a Motorcycle Club romance theme.
Apply to join: Closed – organization underway
Books release MWF in September.
Spots are limited to 12-13 per series, so if you don’t get accepted this time, keep applying for future collaborations!

Here’s what people have said about past collaborations & builders:
The [Misty Mountain] series has been the best collab I’ve ever been in, and most profitable.
– Author Debra Elise
The experience has been amazing – my most profitable book ever!
– Author Lyssa J Cole
This was an amazing experience, my subscriber list grew by thousands of actual romance readers in my target audience. Highly recommend Grown with Hart services!
– Author Imani Jay
Super organized and fun to participate in!
– Author Abby Knox