Many years ago, I went on a quest to read as much about AM and EURISKO as I could fine. Unfortunately, Lenat kept all of his work very private (secret, even), and there was very little to read other than high level papers and articles. I always felt that was a shame, as it prevented anyone else from building on anything Lenat built. I think we’re poorer for it.
You can run EURISKO yourself these days tho.