I have a couple of questions. I have been wanting to ready Insomnia for a long time. However, I've read that there are a number of Dark Tower connections in it. I have yet to read The Dark Tower series (I know, I know...it is on my reading list next) & I don't want any spoilers to ruin the Dark Tower experience for me. Would you recommend that I read the first 3 Dark Tower books before Insomnia (since that is the chronological order of publication)? Or do I read the complete Dark Tower series first? Or can I read it without having read the Dark Tower series at all? Thanks my friends!