There are a handful of books on this general topic, and if you're about to spend money on one, you should know what actually separates them, not just take my word for it because I happen to be selling one.
What to Look For in Any Book on This Topic
Does it explain the mechanism, or does it jump straight to tips without ever telling you why the pattern exists in the first place. Does it separate the physical, cognitive, and relational pieces clearly, or blend them into generic "mind-body" language that sounds nice but doesn't give you anything specific to do. Does it include actual scripts for partner communication, or just tell you to "be open" without a single example sentence.
Where a Lot of General Books Fall Short
Many books in this broader space are written by clinicians for a clinical audience, dense, accurate, but hard to actually use as a step-by-step guide. Others are written for a general male confidence audience and only touch performance anxiety briefly as one chapter among many, without the depth to actually walk you through the mechanism and tools.
What Performance: Unlocked Specifically Does
It's built entirely around this one problem, ten chapters, nothing diluted across unrelated topics. It moves in a specific order, understanding, physical factors, regulation, cognitive work, communication, preparation, recovery, lasting confidence, because that order is part of what makes it work, not just a table of contents. And every tool includes the specific how, not just the what, the actual breathing pattern, the actual scripts, the actual step-by-step preparation protocol.
The Honest Advice Either Way
Whichever resource you choose, run it through those questions above. Mechanism explained. Pieces separated clearly. Actual scripts and steps, not just concepts. If Performance: Unlocked fits that, it's $39, instant download, in my Shop. If something else fits it better for you, use that instead, the point is getting something that actually works.