Books I highly recommend:
Productivity and self-improvement
- Peak: Secrets from the New Science of Expertise
- Think Like a Freak
- Living with a SEAL
- Resilience: Hard-Won Wisdom for Living a Better Life
Mental health
- The Owner’s Manual for the Brain
Software engineering and programming
- Design Data-Intensive Applications
- The Well-Grounded Rubyist
- The Pragmatic Programmer