my first book was Wicca for Life by Raymond Buckland which i highly recommend.
i've read a bunch of books on paganism, you should try reading from many sources and incorporating various elements. Deborah Blake was the first person i found that suggested the Threefold Law could really mean effecting one's mind, body and spirit, now that's what i see it as. i believe Alaric Albertsson who i first read posing the question about food and our spirituality. [like if we know fast food is bad for us, why eat it as it not only makes our bodies feel bad afterwards, but the spiritual energy is rather low compared to an organic meal for example]
i still love Cunningham [heck, i bet i've got half a shelf full of his books] but you get the same handful of suggestions when people are like 'i'm new! what should i read?' nothing wrong with Cunningham, Buckland and Farrar [and sometimes Silver Ravenwolf. i use to hate on her big time, then i discovered D.J. Conway lol] but there's so many great books, not all by 'Wiccan' authors, but with great information we could all use.