Well, I wish there was one definitive 'best' book, but after trying a few, I found they really depend on your tolerance for woo-woo science versus hard medical info. The one that finally made sense for me was 'The Perimenopause Handbook' by Dr. Laura Shah. It's written by an endocrinologist, so it’s heavy on the physiology of why your body goes haywire, which I needed to understand before I could accept any natural fixes. She walks through the hormone pathways like you’re in a classroom, but in a good way.
I ended up cross-referencing her supplement advice with studies on PubMed, and honestly, most of it held up—especially the parts about adapting diet and timing exercise to your cycle phase. It didn’t magically fix my insomnia, but following the magnesium and glycine protocol she outlines took the edge off the 3 AM wake-ups. A friend of mine hated it, said it was too dry, but for someone who gets skeptical about 'natural miracle cures,' this book felt like a solid foundation to build from, not just a list of random herbs.
Honestly, I bounced off 'The Hormone Cure' completely. It felt too prescriptive and one-size-fits-all. Shah’s book at least acknowledges that what works for one person might be useless for another, which is the most honest thing anyone can say about this stage of life.