Books to help you find yourself

Hi everyone, I’m looking for a book that can give me some pointers on the personal development journey of finding out who I really am.

I’m freshly 28 years old and I still feel like I don’t really know who I am. The intensity of this feeling varies according to the situation I’m in at any given time, but it is a constant in my life. Sometimes I like green, sometimes I like blue, other times I don’t like color at all. I think this confusion could be coming from a lack of self esteem in general, and a lack of confidence when presenting myself to the world or in interactions with others, especially people I have a bad history with or that I just dislike for one reason or another. I always feel less than them.

Anyways, lots of unnecessary details on this one but hopefully you get the vibe I’m going for. I was reading Think Like A Monk by Jay Shetty but apparently he’s a fraud so I don’t feel like continuing with that.

Thanks!