00548pamaa2200181 4500 0000042593 20110224090000.0 070827 eng 0071258191 (pbk.) PE1112 WER 2007 Werner Interactions two : grammar Patricia K. Werner and John P. Nelson. Silver edition. New York: McGraw Hill, 2007. xix, 442p.: ill.; 25 cm. English language -- Grammar Nelson, John P. www.mhhe.com