These have been some of the books, sites, podcast, youtube channels among other things that I've used so far in my journey. I'll be updating these over time.
In addition to building craft, there's a few books for other kinds of growth as well.
These articles and sites go in depth into what goes into design so take your time with some of these.
These channels are so full of great information on different kinds of design but also on self-management, freelancing, dealing with clients, and so much more.