Top book (this will seem like a strange one) but it was 'Range143' by David Epstein. A book about "how generalists triumph in a specialized world" an amazing book it really taught me why generalists make better Product Managers102 and where my role as a PM really sits on a team.
Which is not to be an expert but rather to have a broad range of skills/understanding across the many facets of product (from tech to marketing to user science, etc) to leverage this knowledge in order to solve wicked problems - or at least ask the right questions of the experts around me in order to best solve the problem.
Other books that have had a great impact on my skills as a PM (in no particular order)...
- Inspired124 by Marty Cagan
- User Story Mapping74 by Jeff Patton
- Lean UX129 by Jeff Gothelf
- Thinking in Bets143 by Annie Duke
- Hacking Growth164 by Sean Ellis
- How to measure anything127 by Douglas W. Hubbard
- Measure What Matters68 by John Doerr
- Good Strategy Bad Strategy72 by Richard Rum
- Predictably Irrational73 by Dan Ariely
- Hard Thing About Hard Things66 by Ben Horowitz
- Turn the Ship Around121 by David Marquet
- Team of Teams70 by General Stanley McChrystal
- Extreme Ownership88 by Jocko Willink and Leif Babin
- Drive67 by Dan Pink
- Start With Why64 by Simon Sinek
- Thinking Fast and Slow73 by Daniel Kahneman
Product Discovery Coach Teresa Torres also has a good reading list here123.
Mind the Product also have a list of Product Book here too139.