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 currently co-teaches with Jenny Killgallon in the Odyssey Program of Johns Hopkins University, Baltimore, Maryland.

Jenny Killgallon is 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), and Daily Sentence Composing (Great Source). She currently co-teaches with Don Killgallon in the Odyssey Program of Johns Hopkins University, Baltimore, Maryland.