A Concise Early Stage Product Management Reading List

A few friends have asked me: what books should I read to learn more about product management and customer discovery at early stage startups? I started thinking about a short list of really great books, that would cover a lot of important topics in a short amount of time. Here it is!

This article is focused on early stage, from pre-funding to Series A. At those stages, uncertainty is at the highest, so it is critical to focus on customer discovery and quick feedback cycles.