I wish I'd read the 1 star reviews before I purchased this as I would have understood that this book doesn't meet expectations. The content should have just been an additional paragraph in TLS which I already have but also found it not easy to navigate/implement without having to re read sections over and over again. I thought this book would give the basic steps and breakdown of how to implement TLS but it was woefully deficient. I got it in kindle version so even more unhelpful than maybe the physical book.
If I'd picked this up on a shelf I'd never have purchased it. As it's a kindle when you get a sample they're often super random and hard to tell what the actual book would be like. REGRET buying! Cannot find a way to return for a refund even though only purchased a few days back.