The Library. Not a List.

Every book here earns its place by containing at least one framework you will still use in five years.

Personal Knowledge Management

PKM★★★★★

Building a Second Brain

by Tiago Forte

The modern bible of externalizing your thinking. Introduced CODE (Capture, Organize, Distill, Express).

CODE framework + PARA method for knowledge organization

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PKM★★★★★

How to Take Smart Notes

by Sönke Ahrens

The Zettelkasten method explained in full. Changed how serious thinkers take notes.

Atomic notes, permanent notes, literature notes — the backbone of Obsidian workflows

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PKM★★★★

The Art of Doing Science and Engineering

by Richard Hamming

You Can't Teach What You Don't Know. Hamming on learning to think.

The 'important problems' framework — how to direct your own attention deliberately

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Systems Thinking

Systems Thinking★★★★★

Thinking in Systems

by Donella Meadows

The clearest book ever written on feedback loops, stocks, and flows.

Every lifecycle marketing funnel is a system. Read this before building one.

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Systems Thinking★★★★

The Fifth Discipline

by Peter Senge

The organizational learning bible. Systems archetypes you'll see in every company.

Mental models as competitive advantage — the discipline that Senge argues matters most

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Systems Thinking★★★★★

Good Strategy / Bad Strategy

by Richard Rumelt

Cuts through the fluff. Strategy has a kernel; everything else is noise.

The diagnosis → guiding policy → coherent actions framework

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Cognition & Mental Models

Cognition★★★★★

Thinking, Fast and Slow

by Daniel Kahneman

System 1 vs System 2. The foundation of every cognitive bias you'll encounter in the field.

Dual-process theory — explains why checklists and SOPs outperform intuition in complex decisions

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Cognition★★★★

The Great Mental Models Vol. 1

by Shane Parrish

First Principles, Inversion, Occam's Razor — structured for retrieval.

The Farnam Street mental model library — directly maps to WisdomBranch's framework library

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