You sit down for a salary negotiation, a vendor call, a hiring panel, a tense one-on-one with a difficult report - and you have to make a judgment call about credibility. You pick up on something off, but you can't name it. You miss what's right in front of you. You doubt your gut when you should trust it. Read the Room teaches a framework built from intelligence tradecraft - how professionals assess credibility, spot deception, and act on incomplete information - rebuilt for the rooms your career actually turns on. What you'll discover inside: How to map what the other side needs to be true before you walk in - the habit that prevents the most common misreadsBaseline-setting techniques that let you spot real behavioral changes and ignore the noiseQuestions that can't be rehearsed - and how to ask them so you get the unguarded answerWhy the tell is never the twitch - what actually survives a poker faceHow to elicit what won't be volunteered, without tipping your hand or breaking rapportA decision structure that survives being wrong - how to act on a read you're not certain ofA 90-day calibration habit that teaches you which of your own reads deserve trustNo spy glamour. No body-language folklore. Just the method - rebuilt for the salary negotiation, the vendor call, the hiring panel, and the one-on-one where judgment matters most.