By Bloodhorse.com LEXINGTON, Ky. (Sept. 16, 2012) -- Book Three of the Keeneland September yearling sale came to a close early on the evening of Sept. 16 with a day full of heavy traffic at the barns and heavy action in the sale pavilion. The sixth day of the 11-day marathon sale saw 281 yearlings sell for $21,625,000, good for an average of $76,957 and a median of $60,000. http://www.bloodhorse.com/horse-racing/articles/72877/book-three-ends-with-solid-trade-at-keeneland