Understanding and Using English GrammarBetty Schrampfer Azar · First published 1981 · Latest edition 2016Open the Tome
Basic English GrammarBetty Schrampfer Azar, Stacy A. Hagen · First published 1984 · Latest edition 2006Open the Tome
Fundamentals of English Grammar (Black), Student Book A (Without Answer Key)Betty Schrampfer Azar · First published 2002Open the Tome
Understanding and Using English Grammar, Third Edition (Full Student Book with Answer Key)Betty Schrampfer Azar · First published 2001Open the Tome
Fundamentals of English grammarBetty Schrampfer Azar · First published 1985 · Latest edition 1996Open the Tome
