Not relevant to the project but I usually check for earlier versions of the paywalled pages in the wayback machine (~75% success). I felt bad using these services (paywall removers), and just feeling a bit better checking in archive.org.
I've started to practice vipassana meditation and this book was gave a really practical approach. It's really pragmatic and describes everything, position, breathing, problem handling, pacing. I recommend to give it a try.