Frameworks, templates, worked examples and checklists — short by policy, indexed against the modules that assume them, and open-book by design.
A sample of the library. The full shelf grows with every module published.
The one-pager format used across every business and leadership submission: call, rejected options, falsifier, review date.
Four structures that cover most case-interview prompts, and the tell that says which one a prompt wants.
Latency, throughput, consistency and cost ranges you can quote from memory, with the orders of magnitude that matter.
The seven checks between "the number went up" and "we should ship this", in the order they are worth running.
A full case worked end to end — brief, position, discussion transcript, submission and the mark, with the rubric alongside.
How to justify an interface decision from the problem rather than from taste, in a page a stakeholder will read.
A blameless post-mortem layout whose actions survive the following week, with the four questions that make them stick.
Per track, ten to fifteen genuinely worth-it books and papers, each with one line on what it will change for you.
The rubric line most people lose points on, turned into six questions to ask your own argument before the room does.
A reference library nobody opens is just storage. These are the rules that stop that happening.
Every resource is linked from the modules that assume it, so it surfaces at the moment you need it rather than in a folder you never open.
Nothing on the shelf is longer than it has to be. If a framework needs twelve pages to explain, it is the wrong framework.
Resources carry a revision date. When a case exposes a gap in one, the resource changes — the shelf is maintained, not archived.
Study material is the fourth pillar of the OPM Method. This is where it lands in a week.
The concept section points at the two or three resources the case will lean on. That is the intended first contact.
Nothing here is closed-book. Reaching for a framework mid-case is the behaviour we are trying to build, not one we penalise.
A position grounded in a named framework is easier to challenge and easier to improve, which is why it scores better.
Most submissions have a template on the shelf. Starting from it removes the format question and leaves you the thinking.
Saved resources stay in your library for good — nothing you have saved expires.
Nothing here is closed-book. Using the right tool under time pressure is the skill, not cheating at it.
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