There Is A Biography

Sarah: How a Hockey Mom Turned Alaska's Political Establishment on Its Ear by Kaylene Johnson.

Amazon has only a couple of used copies going for something over $100, but you can buy it direct from the publisher, Epicenter Press, for $19.95 with free shipping.

I've ordered one, of course, but I don't expect to see it for weeks yet.

Meanwhile you can read the first chapter for free here (PDF).