Robbie Kellman Baxter

The Forever Transaction: How to Build a Subscription Model So Compelling, Your Customers Will Never Want to Leave

The Membership Economy (PB)

Het membership-model

The Membership Economy: Find Your Super Users, Master the Forever Transaction, and Build Recurring Revenue (Unabridged)

The Forever Transaction : How to Build a Subscription Model So Compelling, Your Customers Will Never Want to Leave