Working from posted online bestseller lists at Amazon and Barnes & Noble.com (and using historical data already captured through the PM Book Tracker), you can see that at least some Macmillan book sales would appear to already be shifting to BN.com from Amazon: * Andrew Young’s The Politician is down to 10 on Amazon’s list and falling, while ranking No. 4 at BN.com * Atul Gawande’s The Checklist Manifesto: How to Get Things Right is now at 49 on Amazon, down from 34 last night–and has risen from 112 up to 49 at BN.com in the same time period. * […]