Complete reference
DECODE Book
The Cost of Acting Before Understanding. Read online or choose between the full-colour and print-friendly black-and-white PDF editions.
Official resources
One discipline.
Four ways to use it.
Start with the book for the complete logic. Use the White Paper for formal orientation, and the Canvas or working form when a decision merits structure.
White Paper
A structured account of the decision logic, positioning, A3 canvas, application, and responsible use.
Read overview →Download PDFDECODE Canvas
A two-page structured surface for scope, evidence, causal logic, decision, and closure.
Learn about the Canvas →Download PDFDECODE Form
The supplied Excel working form for teams that need an editable, internal decision record.
Download XLSX →Responsible use
DECODE supports judgment. It does not replace it.
These materials are educational and do not constitute engineering, legal, financial, regulatory, safety, or other professional advice. Decisions remain the responsibility of the people and organizations making them.