Winston Grammar Program 
by Paul R. Erwin

Step Up To Writing: Grades K-3 
Step Up To Writing: Grades 3-6 
Step Up To Writing: Grades 6-12

by Maureen Muman

Writing Adventures Work book and Journal Book 
by Donna Austin & Patricia Padget

The Writing Revolution
by Judith Hochman and Natalie Wexler

Writing Matters: A Handbook for Writing and Research
by William Van Cleave