A summary of Product Mastery: From Good to Great Product Ownership by Geoff Watts. The book describes the traits of great product owners: they are DRIVEN.
Product Ownership
What's the best way to interact with your delivery team?
13 Examples of Internal Products
13 episodes from the This is Product Management podcast and the 100 PM podcast where the interviewee works in what I’d consider an internal product context.
Why context matters to product people
Your context drives and influences the practices you use. Here’s why you need to understand context to pick the appropriate product practices.