Schur, Norman W 1000 most challenging words - New york Facts on File Publication 1987 - 322 p. ; 24 cm. ISBN: 0816011966 (hb) Subjects--Topical Terms: English languageVocabulary--Challenging words--English terms--Definations--Literature--Dictionary--FSSH--DELL Dewey Class. No.: 428.1 / SCH