Make sure the tone is helpful and informative, not pushy. Avoid any mention of sites where pirated PDFs might be found. Offer alternative resources, such as free online material on probability theory or Markov chains from reputable sources. For example, maybe cite some OpenCourseWare from MIT or Stanford.
So, the user's query is a bit ambiguous. They might know the book exists and want to access it, but I can't help with piracy. I should focus on what the book is about. Let me check the table of contents of Norris's "Markov Chains" to recall the structure. It covers definitions, transition probabilities, recurrence, stationary distributions, absorption probabilities, ergodic theorems, etc. markov chains jr norris pdf
I think that's a solid plan. Now, draft the content following these points. Make sure the tone is helpful and informative, not pushy