Free, in-depth guides for people who write to persuade — op-eds, proposals, essays, briefs. Each one goes deep on a real problem, then hands you the Writing Lab to check your own draft.
Claim, evidence, warrant — the anatomy of a case, and how to pressure-test it before you publish.
9 min read → CraftA repeatable method for spotting broken reasoning — in any argument, including your own.
7 min read → EditingThe revision pass spellcheck can't do — and how to build it into how you write.
6 min read → FallaciesThe reasoning slips that surface most often in persuasive writing, each with a fix.
10 min read → TechniqueWhy answering the strongest version of the opposing argument makes your case stick.
5 min read → BiasConfirmation bias, anchoring, and the blind spots that shape a page before you notice.
7 min read →Paste your draft into the Writing Lab — it scores the reasoning and flags every fallacy and bias, in seconds.