BOOKSIGNING BY BOBBIE ANN MASON. PEN/Hemingway Award winner will sign Zigzagging Down a Wild Trail. Square Books, 160 Courthouse Square,Oxford, MS. 5 p.m. FINANCIAL FORUM. Financial services specialist D. Hal Otey will share tips on making sound financial decisions,navigating the stock market, and more. Baptist Memorial Hospital for Women, 6019 Walnut Grove Rd. 6:L30 - 7:30 p.m.