00565pamaa2200169 4500 0000031324 20060708090000.0 0838439764 428.24 ASC PE1128.A2 ASC 1993 ASCHER Think about editing : a grammar editing guide for ESL writers Allen Ascher. Boston,Massachusetts: Heinle & Heinle, 1993. xvi, 334p.: ill.; 25cm. English language -- Textbooks for foreign speakers English language -- Grammar English language -- Rhetoric