G.U.M.
Subtitle: grammar, usage, and mechanics
By: [developed by Straight Line Editorial Development, Inc., and Zaner-Bloser, Inc.].
Contributors: Zaner-Bloser (Firm)
Publisher: Zaner-Bloser, Inc.
Published: 2008
Place of publication: Columbus, Ohio
Language: eng
ISBN-13: 9780736757379; 9780736757430; 9780736757386; 9780736757447; 9780736757393; 9780736757454; 9780736757409; 9780736757461; 9780736757416; 9780736757478; 9780736757423; 9780736757485
Subjects: English language; Grammar; Study and teaching (Elementary); Study and teaching (Middle school)
Other titles: Grammar, usage, and mechanics
Notes: Includes index.

3-8.