Scrum: A Breathtakingly Brief and Agile Introduction - Chris Sims & Hillary Louise Johnson

User Stories Unleashed - Mike Turner et al

Scrum - The Art of Doing Twice the Work in Half the Time - Jeff Sutherland

Sprint: How to Solve Big Problems and Test New Ideas in Just Five Days - Jake Knapp

Good Strategy/Bad Strategy - Richard Rumelt

The Lean Startup - Eric Ries

Blue Ocean Strategy - Chan Kim & Renee Mauborgne

Positioning: The Battle for Your Mind - Al Ries & Jack Trout

Buyer Personas - Adele Revella

The Hard Thing About Hard Things - Ben Horowitz

Crossing the Chasm - Geoffrey Moore

The Lean Product Playbook - Dan Olsen

Hooked: How to Build Habit-Forming Products - Nir Eyal & Ryan Hoover

Essentialism - Greg McKeown

Inspired - Marty Cagan