Although I prefer podcasts to learn new stuff because of their short format, nothing beats the book format to get the full details regarding a specific topic.
Here is my reading list (a mix of books I started/finished reading but also some on my wishlist).
Escaping the Build Trap: How Effective Product Management Creates Real Value
Continuous Discovery Habits: Discover Products that Create Customer Value and Business Value
The Workshop Survival Guide: How to design and teach educational workshops that work every time
The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you
Jake Knapp, John Zeratsky, Brad Kowitz
Sprint: How to Solve Big Problems and Test New Ideas in Just Five Days
The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses