Seems like we've heard things like "Riches in Niches" and "10,000 hours" to become an expert.
And, well, those observations are not necessarily wrong. However, the generalist is no fool.
Epstein's book unpacks a handful of intriguing experiences of applying lessons learned in one domain to making break-throughs in another field.
Spending 10,000 hours honing your craft may make you an expert, but it just might be your love of cooking (or basketball, or crotchet, or model airplanes) that delivers the unanticpated insight to significant advances in your "expert" field.
In an age of advancing disruption, beware of being the expert buggy-whip repair shop.