Found a mistake? Tell us.

Our books say facts flat, odds with their “unless”, and opinions as opinions. If we got one of those wrong, or called something a fact that isn't, we want to know. Kids are welcome to send these too. Catching a grown-up's mistake is exactly the skill the books are about.

• A real person reads every report and checks it against the sources.
• If it's wrong, the next printing gets fixed.
• We write back and tell you what changed, or why we kept it.

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