People often ask how we came up with the grid. The short answer: blood, sweat and years.
It turns out that identifying all the factors that make or break a business is quite a research project. The good news is that we consulted the subject matter experts, read 192 reference texts and took 347,000 words of notes so you don’t have to.
We could probably have stopped working on the grid around version forty, but we had a nagging feeling another level of simplicity and elegance was possible. It was another year, and another forty-two iterations later that we found it.
People often ask what it’s like to write a book, then often wish they hadn’t. We had our fair share of set-backs on the way but we’re immensely proud of the result, and that’s what matters most.