Insight carousel
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Demand signal
How to fix user interviews that are not teaching you anything
Useful takeaway
Ask about recent behavior.
The Mom Test turns vague praise into evidence you can act on.
Use books on the problem in front of you
The best way to learn from books using AI.
Read a genuinely useful digest. When the problem is personal, give the answer URL to the agent that already knows your goals, constraints, and prior attempts.
Insight carousel
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Demand signal
How to tell whether to pivot or keep going
Useful takeaway
Separate puzzles from anomalies.
Kuhn helps you tell normal iteration from evidence that the whole frame is wrong.
Insight carousel
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Demand signal
How to make a plan that survives contact with reality
Useful takeaway
Keep local facts in the plan.
Seeing Like a State shows why plans fail when messy ground truth gets deleted.
Question-first reading
Book ideas, applied to your context.
Book pages are designed to stand alone. Answer briefs become more valuable when the installed skill reads them inside the harness that already knows your work and life.
Start personalization01
Read the digest
Understand the book’s argument, mechanisms, applications, and limits without reading a thin list of takeaways.
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Open an answer brief
Choose a real problem and see the initial decision rule plus the source books behind it.
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Personalize in your agent
Let the installed skill combine those sources with context your harness already knows about you.
Agent skill
Install the shelf as a skill.
Give your chat AI books it can call while you work.
Install
Add the book layer to your agent setup.
$ npx answer-with-books install --skill --apiFeatured books
Source books
Source book
The Mom Test
Rob Fitzpatrick · 2013
How to talk to customers and learn the truth when everyone is lying to you — including your mom.
Source book
Thinking, Fast and Slow
Daniel Kahneman · 2011
A map of the two systems that run your mind — and the predictable ways the fast one fools you.
Source book
Zero to One
Peter Thiel with Blake Masters · 2014
A forceful argument that enduring companies create a valuable future others do not yet see, then build a position that competitors cannot easily copy.
Source book
The Wisdom of Crowds
James Surowiecki · 2004
Why large groups of ordinary people outguess experts — and the exact conditions under which they stop.
Source book
Seeing Like a State
James C. Scott · 1998
Why grand schemes to improve the human condition fail: they replace messy local knowledge with tidy maps, then mistake the map for the territory.
Source book
The Structure of Scientific Revolutions
Thomas S. Kuhn · 1962
Science doesn't progress by smooth accumulation — it alternates between puzzle-solving within a paradigm and rare, wrenching revolutions that replace it.
Source book
Good Strategy Bad Strategy
Richard Rumelt · 2011
Strategy begins by naming the decisive challenge, choosing an approach to it, and concentrating actions so they reinforce one another.
Source book
The Lean Startup
Eric Ries · 2011
A method for testing value and growth assumptions through small experiments, cohort evidence, and explicit decisions before uncertainty consumes the venture.
Profile
Track what keeps showing up.
See the books, answers, and patterns you return to.
Profile tracker
A visible trail of useful insights.
Open insights, save books, and build a stash of book-backed answers for the situations that keep coming up.
Day streak
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Questions opened
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Books explored
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Books saved
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Featured answers
Answers from the shelf
How to tell whether your value proposition is actually different
A value proposition is different only when a user chooses or behaves differently because of it. Use a substitution test, a commitment test, and one observable outcome before polishing the claim.
How to fix user interviews that are not teaching you anything
When user interviews produce vague encouragement, switch from opinions to evidence: ask about recent behavior, constraints, failed workarounds, and concrete commitments.
How to tell whether to pivot or keep going
A guide for founders and teams stuck between persistence and denial. Kuhn gives the crisis diagnostic; Kahneman explains why sunk costs make the truth hard to see.
How to make a plan that survives contact with reality
Make plans resilient by naming what the model omits, preserving local knowledge, using reversible steps and slack, and defining evidence that can revise the plan.
How to keep a smart team from making a dumb decision
Protect group judgment by collecting independent views, preserving local information, separating evidence from discussion, and using an explicit aggregation and decision rule.
How to validate an idea without fooling yourself
Replace verdict-seeking pitches with recent behavior, costly commitments, base rates, disconfirming evidence, and a written rule for what would change the idea.
FAQ
Got questions? We have answers.
How does Answer with Books work?
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Read a self-contained book digest or open an answer brief for a live problem. Copy the brief into your agent, where the installed skill combines the source books with context the agent already knows about you.
What makes this different from normal book summaries?
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The book pages are concise but substantial editorial digests. The final advice is produced in your own agent harness, where memory and current context can change which ideas matter and what you should do next.
What is included in the public shelf?
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The public shelf includes source book pages, book-grounded answers, search, categories, and examples of how books can be applied to work and life decisions.
What would a paid subscription unlock?
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The paid version should unlock a fuller catalog, personal saved books, custom books, private shelves, community demand signals, and agent/API access.
Can I use this with my AI tools?
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Yes. The agent skill is the direction: give your chat AI a book-grounded shelf it can call while you are working through real questions.