An angry letter about the battles behind one of the most famous buildings in modern architecture is being auctioned. Fallingwater is one of Frank Lloyd Wright's masterpieces, but in the 1936 letter he threatened to walk off the job four months after work began. The letter and an original blueprint of the house are being sold by RR Auction of Amherst, N.H. (www.rrauction.com) ___ Information from: Pittsburgh Tribune-Review, http://pghtrib.com
