The Working Library

Not a shelf. A toolkit with operating notes.

Every book here is on the shelf because it gets used — in architecture reviews, governance debates, pricing arguments, or essays. Each carries two lines: the one idea, and where that idea earns its place when you're building systems institutions can trust.

Start here

Three reading paths

Don't read the library. Read the path that matches the problem on your desk.

Path 01

You're building an agent platform inside a regulated institution.

  1. Agentic Artificial Intelligence — the territory map
  2. The Checklist Manifesto — why gates beat genius
  3. The Art of Doing Science and Engineering — taste under constraints

Capability is the easy third. The hard two-thirds are operating discipline and knowing which problems deserve you.

Path 02

You're trying to call the AI market without the hype.

  1. The Scaling Era — what the labs believe
  2. Exponential — why institutions lag
  3. The Changing World Order — who pays for compute, and why

Read capability, then institutional drag, then capital cycles. Most bad AI takes skip the second book.

Path 03

You're making decisions with incomplete information, daily.

  1. The Great Mental Models — the toolkit
  2. The Art of Statistics — honest uncertainty
  3. Poor Charlie's Almanack — incentives and inversion

Judgment is the scarce resource when routine cognition gets cheap. This stack is judgment maintenance.

The stacks

25 books · 5 stacks

Organised by the job they do, not the section of the bookstore they came from.

Building intelligent systems

Stack A

The books open on the desk when designing platforms, patterns, and the gates between them.

Agentic Artificial Intelligence

Bornet

A practical map for moving from chatbots to agents that plan, act, and improve workflows.

The shared vocabulary for executive conversations about what an agent actually is — before the architecture debate starts.

Cover of The Checklist Manifesto

The Checklist Manifesto

Gawande

Simple operating systems prevent failure in complex, high-stakes work — surgery, aviation, finance.

The strongest argument for policy gates ever written. An approval gate is a checklist the system cannot skip.

Cover of The Art of Doing Science and Engineering

The Art of Doing Science and Engineering

Hamming

Taste, courage, and asking the questions that make important work possible.

Read before every platform decision that will outlive you. "What are the important problems in your field?" applies to roadmaps too.

Cover of Universal Principles of Design

Universal Principles of Design

Lidwell, Holden & Butler

A compact reference of design patterns and cognitive principles.

Agent UX is still UX. Most "model failures" in production are affordance failures in disguise.

Cover of Rewired

Rewired

Lamarre, Smaje & Zemmel

An enterprise playbook for turning digital and AI ambition into operating change.

The honest McKinsey answer to why pilots die: the operating model, not the technology, is the bottleneck.

Cover of AI First

AI First

Fontana

Companies designed around data, prediction, and machine intelligence from day one.

The lens for spotting which vendors are AI-native and which are AI-wrapped — it shows in the data architecture every time.

The frontier, soberly

Stack B

Capability claims without the conference-stage adrenaline.

The Scaling Era

Dwarkesh Patel

Frontier labs, scaling laws, and the economics of intelligence — from the people inside.

The calibration source for timeline talk. When a vendor's roadmap contradicts what lab insiders say out loud, believe the insiders.

Cover of Superintelligence

Superintelligence

Bostrom

The classic argument for taking advanced AI capability, control, and governance seriously.

The control problem at civilisational scale is the control plane problem at enterprise scale. Same shape, different blast radius.

Cover of Exponential

Exponential

Azhar

Fast-moving technologies structurally outrun institutions and markets.

Names the gap the Situation Room tracks daily: the distance between what technology permits and what institutions can govern.

Cover of The Beginning of Infinity

The Beginning of Infinity

Deutsch

Progress comes from good explanations, criticism, and the unbounded growth of knowledge.

The philosophical case for why the knowledge layer compounds — and why explanations, not data volume, are the asset.

Judgment maintenance

Stack C

When routine cognition gets cheap, judgment is what's left to be good at.

Cover of The Great Mental Models

The Great Mental Models

Parrish

Reusable thinking tools for seeing problems from multiple angles.

The pre-mortem kit for architecture decisions. Inversion alone has killed three bad designs this year.

Cover of Poor Charlie's Almanack

Poor Charlie's Almanack

Munger

Mental models, incentives, and the discipline of avoiding obvious stupidity.

"Show me the incentive and I will show you the outcome" explains more vendor behaviour than any analyst report.

Cover of The Art of Statistics

The Art of Statistics

Spiegelhalter

What numbers can and cannot tell us about evidence, uncertainty, and risk.

The vaccination against benchmark theatre. Every model evaluation claim should pass through this book first.

Cover of The Lessons of History

The Lessons of History

Durant

Recurring patterns in civilisation, power, economics, and human nature.

Perspective at fifty pages. Useful the night before any meeting that feels existential.

Cover of A Brief History of Thought

A Brief History of Thought

Ferry

The major philosophical systems and what each means for living well.

The Ledger is philosophical on purpose: you cannot design what an institution should trust without a theory of what trust is.

Money, behaviour, cycles

Stack D

Eighteen years in banking says the constant isn't the instrument — it's the human holding it.

Cover of The Psychology of Money

The Psychology of Money

Housel

Money outcomes are shaped by behaviour and time more than intelligence.

Also true of AI budgets. Institutions don't have model problems; they have patience problems.

Cover of The Changing World Order

The Changing World Order

Dalio

A macro-history of debt, empires, and the cycles that reshape global power.

The frame for reading sovereign AI investment — compute buildouts are reserve-currency behaviour by another name.

Cover of The Almanack of Naval Ravikant

The Almanack of Naval Ravikant

Jorgenson

Wealth, leverage, judgment, and independent thinking, distilled.

"Code and media are permissionless leverage" is the entire thesis of writing The Ledger in public.

Cover of The Richest Man in Babylon

The Richest Man in Babylon

Clason

Durable lessons on saving, discipline, and financial independence.

The book that proves good financial systems are old. Babylonian record-keeping was a ledger with governance. So is ours.

Cover of Buyology

Buyology

Lindstrom

The hidden forces that shape buying decisions.

Enterprise AI procurement is not rational either. Knowing which forces are operating in the room is an unfair advantage.

Institutions and the humans inside them

Stack E

AI will expose weak institutions before it transforms strong ones. These books explain what institutions actually are.

Cover of Sapiens

Sapiens

Harari

Shared myths, institutions, and technologies shaped human history.

A bank is a shared story with an audit trail. So, increasingly, is an agent registry. Trust infrastructure is the oldest technology.

Cover of Unstoppable Us — How Humans Took Over the World

Unstoppable Us — How Humans Took Over the World

Harari

Humanity's rise through cooperation, imagination, and power, told for young readers.

On the shelf because the best test of understanding is explaining it to a twelve-year-old. (Field-tested at home.)

Unstoppable Us — Why the World Isn't Fair

Harari

Inequality, hierarchy, and why societies become unfair.

The fairness questions children ask are the fairness questions AI governance committees ask. Children ask them better.

Cover of Gang Leader for a Day

Gang Leader for a Day

Venkatesh

Informal power and the lived reality behind urban statistics.

A reminder that every org chart hides a real operating system. Map the informal one before deploying anything.

Cover of Focus

Focus

Miller

Identity, prejudice, and the cost of seeing people through categories.

The literary case against classification error — worth holding in mind while building systems that classify people at scale.

The ideas show up in the writing.

These books are load-bearing in the essays — the moat-is-the-knowledge-layer argument, the governance-in-runtime thesis, the 80/6 problem.

Read the essays

One book note per month.

The Ledger occasionally ships a single operating note on one book — what it changed in practice, not a summary.

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