Wikepedia summarizes it very nicely and you can take it from there. Wikepedia at times is very helpful.
Learning other religions and how they relate to one another, comparative religions, drawing relationships, is an important hermetic discipline. Trying to lift the veil of understanding. The gods or personalities that embody Hermes include, but not limited, Thoth and Mercury and Hermes of Greek.
The Kybalion is pretty good hermetic related work, here is a link directly to it, a pdf version. The work does go on the defensive. Just try to pay attention on the axioms and don't concern yourself too much with other stuff it goes on about.
The focus is on self-mastery, mental transmutation. Being the cause instead of the effect. Even mainstream personal development materials (including anger/stress management, effective communication, behavioral) are hermetic in nature. You can draw up those personal development works as well.
Manly P Hall Secret Teachings of All Ages, read the chapters and sections on Hermes and Hermetics, he does a very good job, here is a pdf file:
In my personal opinion, steer clear from is Aleister Crowley and Kabbalah
I hope this helps a bit.