AU$5.99
There’s a moment most people recognise, even if they can’t name it.
A conversation shifts.
A disagreement tightens.
Someone crosses a line — or you do.
Nothing dramatic has happened yet.
But something has changed.
This book is about that edge.
The Edge of Human Behaviour explores the subtle psychological tipping points where ordinary interactions begin to escalate — into conflict, control, withdrawal, or damage that no one intended.
Not pathology.
Not diagnoses.
Not labels.
Just the quiet mechanics of what happens when:
Written by a retired clinical psychologist, this book doesn’t try to fix you or anyone else. Instead, it helps you recognise the early warning signs — the moments where judgement is still possible, and outcomes are still changeable.
This is not a step-by-step manual.
It’s a lens.
Many readers use The Edge of Human Behaviour as a way to:
If you’re looking for practical tools for heated moments, Not Yet continues this work.
If you’re interested in how to live with integrity in a world that quietly rewards dishonesty, Play Dirty, Stay Clean sits alongside it.
But The Edge of Human Behaviour is where most people start.
Because once you can see the edge,
you don’t stumble over it as often.
If you’ve ever thought,
“I don’t feel right about this — I'm tired of being used,”
this book will help you understand that moment, and respond to it cleanly.
“If you’re interested in how to stop these moments escalating, 'Not Yet' explores that next step.”