There is a folktale in Japan that a prominent person sent a monk to China to study Zen Buddhism in order to return and teach it to others. Upon the monk’s return, the prominent person called him into his room and asked him what Zen was. The monk drew a flute out of his robes, played one note, and got up and left.
I know a little about Buddhism from living in Asia for many years and from reading. I learned enough about it to know that it’s doubtful I would be able to attain enlightenment through meditation in my present circumstances. I’m bipolar, and my brain will not shut up.
I have not had the privilege of meeting anyone that I would say is enlightened. I would welcome such a chance.
I have great respect for Buddhism, and I am wary of it as I am wary of any organized religion. It teaches dogma, and I find in that a block to individual expression of communion with the divine.
To answer your question more directly, start on Wikipedia, and then move on to your local library. Simply start.