Join the Elegant Farmer, 1545 Main St., March 11-14 for National PI Day with a three-day pie sale. Visit the market to get $3.14 off any of its simply the best 8-inch Pies Baked in a Paper Bag.  Piled high with 1 ½ pounds of its signature Ida Red apples nestled in a flaky traditional crust then covered with a sugar cookie-like top.  For more information, visit elegantfarmer.com.