Guides for deciding without being sold to

What we would explain over the half-hour coffee, written down and free. Every guide opens with the answer rather than an introduction, and every figure says where it came from.

Why we write them

Because the same questions come up in every first meeting, and answering them once in writing beats answering them forty times out loud. There is nothing here we would not say over a coffee.

Is yours missing?

If you have a question none of these guides answers, write to us. When a question keeps coming back, it ends up as a guide.

Or directly
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