There are plenty of great books out there that I can recommend to you. You aren't the first to question which side of the D/s line that they fall. If it comes to that, you might be a genuine switch. Genuine doms are hard to find so it is certainly worth pursuing if you aren't sure.
Mistress Simone in Chicago has some very useful articles that might help you to figure it out.
http://www.chicago-mistress.com/bdsm...ional-articles.
Maybe this one would be a good place to start?
http://www.chicago-mistress.com/imag...nt%20Woman.pdf
If you need a test dummy to practice on, I'll volunteer