Well, the law of LoA and Lucid Dreaming are very different. The LoA is a pretty heavy viewpoint shift (or it can be; for most people); Lucid Dreaming is just a fun Biological quirk. Given that, I'd recommend you try Lucid Dreaming, and continue reading on both topics and exploring other topics in PD.
I'm not sure what Steve and Erin say about trying Lucid dreaming but go ahead and try anything they suggest, and I'd also recommend you take a look at the
WikiBook on Lucid Dreaming, it's quite useful, or was when I read it.
The best of Luck on your Journey, may you find much happiness,
Levent.