Maybe you can find this link helpful and you can search for the tutorials at deviantart
For the software I think photoshop is enough, or maybe you wanna give a try to Clip Studio Paint or SAI
Draw manually (using pen and paper) If you haven't tried drawing tablet. (It's much more easier and cheaper)
Scan it and finalize your work using the software above.
For the tools:
-Pens, pencils, eraser, and papers.
-Scanner
-Drawing tablet (Not really necessary, but it makes easier for finalizing yor works)
And for the materials (for the software), I happened to have this book.
Well, I don't wanna unbind it and make an ebook from that book, but I can share the materials which is included in that book.
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