Not sure about the cover of my book

You can spend a lot of time researching, interviewing, and gathering information to write in your book.

But, then you get stuck at choosing 2 apparently simple things:

1. The TITLE of your book
2. The Cover of your book

I think i'm confident at my skill of writing good titles, but I suck at design.

Which cover do you think is best?

This...

or this...