Opitz, Michael F. <br/><br/>
Flexible grouping in reading :  practical ways to help all students become better readers / 
Michael F. Opitz. 
 - New York :  Scholastic Professional Books,  c1998. 
 - 128 p. : photos., ill. 
 - Scholastic teaching strategies ; Grades 2-5 .
<br/><br/> Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Group reading.