I wanted to discuss books related to Product Management with others so I started an online Product Book Club for Product Managers to discuss one book every month. 

After a couple of editions online, we started getting the authors to join us too! We had Marty Cagan, Teresa Torres, Melissa Perri, Dan Olsen among other Product rockstarts.

At the moment of the last session, our mailing list had 3K+ suscribers and we had generated revenue via sponsors and affiliates.

Some of the session recordings: