Focus on grammar.  Workbook /  An integrated skills approach:  
Samuela Eckstut-Didier, Marjorie Fuchs; Revised by Stacey Hunter.  
 - 3rd ed. 
 - White Plains, NY :  Pearson Longman,  c2006- 
 - v. <1-3 > :  col. ill. ;  28 cm. 
<br/><br/> American Window.  v.1 2nd ed. 
<br/><br/><label>ISBN: </label>9780131474697 (v. 1 : Workbook) 9780131899742 (v. 2 : Workbook) 9780131899902 (v. 3 : Workbook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Textbooks for foreign speakers.<br/>English language--Grammar--Problems, exercises, etc.
<br/><br/><label>LC Class. No.: </label>PE1128  / .F555 2006 
<br/><br/><label>Dewey Class. No.: </label>428.2/4