504 Absolutely Essential Words Author:Murray Bromberg, Julius Liebb, Arthur Traiger This carefully selected vocabulary collection is the essential core of words that need to be known and correctly used by middle schoolers, ESL students, and other adults for whom English is a second language. It presents 42 brief but effective word-building lessons. Each lesson introduces twelve new words contained in sample sentences and short ... more »articles. Fill-in-the-blanks exercises help students gauge their word-building progress.« less