Most workplace advice assumes you either manage someone or you're managing up. A lot of real friction sits in the gap: the design lead, the sister team, the compliance owner who isn't in your 1:1. They can unblock you. They don't owe you a yes. Their week is already full.

They Don't Report to You walks the scenes that stall cross-team work: the ask that sounds like an assignment, the yes in the room that never became a ticket, the status update standing in for a person, credit compressed into a solo slide, the blocker you're pinging through the wrong peer, a disagreement that doesn't need a boss yet, a date with no parent, a favor you can't repay this quarter, and the escalation that burns the only relationship that can still help. Each chapter opens in the moment, then names the trap, then gives you speakable scripts: what to say, what not to say, and one drill.

This is not a first-time manager book, not a managing-up manual, not a performance-review workbook, and not a meeting-slaughter manifesto. It's field practice for individual contributors who need clean lateral agreements without performing politics.