Sublime
An inspiration engine for ideas
tracked—and then revised or adapted as circumstances dictate.
John Doerr • Measure What Matters: How Google, Bono, and the Gates Foundation Rock the World with OKRs

Living in an Agile World: The Role of Product Management When Development Goes Agile
amazon.com
Rule of thumb: Ideas and feature requests should be understood, but not obeyed.
Rob Fitzpatrick • The Mom Test: How to talk to customers & learn if your business is a good idea when everyone is lying to you
For product managers to succeed, there needs to be an executive mandate and company-wide understanding that even though everyone gets a voice, product decisions ultimately reside with product managers.
Rian van der Merwe • Making It Right: Product Management For A Startup World

Maximize your evolution.
Ray Dalio • Principles: Life and Work
The right way to collaborate, I think, is to divide projects into sharply defined modules, each with a definite owner, and with interfaces between them that are as carefully designed and, if possible, as articulated as programming languages.