I did some digging and found some of the best books for these 3 categories,
Enjoy ;)
Psychology
- The Psychology of Money - Morgan Housel
- The 33 Strategies of War - Robert Greene
- The 48 Laws of Power - Robert Greene
- Dark Psychology - Jonathan Mind
- The Laws of Human Nature - Robert Greene
- Read People Like a Book - Patrick King
- Surrounded by Idiots - Thomas Erikson
- Power vs Force - David R. Hawkins
- How to Win Friends and Influence People - Dale Carnegie
- The Confidence Game - Maria Konnikova
- The Bible Of Dark Psychology - Halbert Ward
- The Emotional Intelligence of Human Psychology - Lin Pen
Self-Improvement
- Atomic Habits - James Clear
- Can't Hurt Me - David Goggins
- 12 Rules For Life - Jordan R. Peterson
- The Power Of Letting Go - John Purkiss
- Dopamine Detox - Thibaut Meurisse
- Make Your Bed - William H. McRaven
- The Mountain Is You - Brianna West
- Meditations - Marcus Aurelius
- The Subtle Art of Not Giving a F*ck - Mark Manson
- Think and Grow Rich - Dale Carnegie
- Man's Search for Meaning - Viktor Frankl
- Eat That Frog - Brian Tracy
- The Wim Hof Method - Wim Hof
- Disciplines of a Godly Man - R. Kent Hughes
- Becoming The 0.1% - Gareth Timmins
- The 1% Rule - Tommy Baker
- Rewire Your Mindset - Brian Keane
Relationships
- The Bible - God
- Fight Right - John & Julie Gottman
- The Relationship Cure - John Gottman
- Anxiously Attached - Jessica Baum
- Why Has Nobody Told Me This Before? - Julie Smith
- How To Talk To Anyone - Leil Lowndes
- How To Be An Adult In Relationships - David Richo
- The 5 Love Languages - Gary Chapman
- How To Be The Love You Seek - Nicole LePera
- How To Have Meaningful Relationships - Emma Power
- Women Who Love Too Much - Robin Norwood
- Hold Me Tight - Sue Johnson
- Men Are From Mars, Women Are From Venus - John Gray