Don Killgallon is the originator of the sentence-composing approach and author of numerous sentence-composing worktexts. He is the author or coauthor of Paragraphs for Middle School (2013), Paragraphs for High School (2012), Grammar for College Writing (2010), Story Grammar for Elementary School (2008), Grammar for High School (2007), Grammar for Middle School (2006), Sentence Composing for Elementary School (2000), Sentence Composing for High School (1998), Sentence Composing for College (1998), Sentence Composing for Middle School (1997), and Daily Sentence Composing (Great Source). He's a veteran teacher of secondary English, a former specialist in middle and high school education for… the state of Maryland, and currently a teacher of writing at the University of Maryland, Baltimore County.