Coert Voorhees is a former writing and grammar teacher who spent years in the classroom sharing his passion for language with often skeptical middle school students. Grammaropolis is based on his most successful lesson plans. With its award-winning website, mobile apps, and music videos, Grammaropolis has revolutionized the way millions of students in thousands of schools around the world learn about grammar and writing. Coert is the author the novels ON THE FREE (2017), IN TOO DEEP (2013 Junior Library Guild Selection), LUCKY FOOLS (2012 Junior Library Guild Selection), and THE BROTHERS TORRES (2009 ALA Top Ten Best Books for Young Adults), as well as the STORM WRANGLERS children’s book series. He has been a Fulbright scholar in Chile and Visiting Writer in Residence at Rice University, and he now lives with his family in Houston, Texas. Visit Coert's website at www.coertvoorhees.com. Grammaropolis is where grammar lives! Hailed as the "Schoolhouse Rock! for the 21st Century", Grammaropolis combines traditional instruction and assessment with our innovative, story-based lessons featuring personified parts of speech and punctuation marks. Our engaging and effective approach has revolutionized the way millions of students learn about grammar and writing. Featuring bossy adverbs, shady pronouns, and the other parts of speech; no-drama Chief Comma and the rest of the Punctuation Department; and a Sentence Factory run by the Mayor himself, Grammaropolis achieves the seemingly impossible: we make learning grammar fun!

Coert Voorhees is a former writing and grammar teacher who spent years in the classroom sharing his passion for language with often skeptical middle school students. Grammaropolis is based on his most successful lesson plans. With its award-winning website, mobile apps, and music videos, Grammaropolis has revolutionized the way millions of students in thousands of schools around the world learn about grammar and writing. Coert is the author the novels ON THE FREE (2017), IN TOO DEEP (2013 Junior Library Guild Selection), LUCKY FOOLS (2012 Junior Library Guild Selection), and THE BROTHERS TORRES (2009 ALA Top Ten Best Books for Young Adults), as well as the STORM WRANGLERS children’s book series. He has been a Fulbright scholar in Chile and Visiting Writer in Residence at Rice University, and he now lives with his family in Houston, Texas. Visit Coert's website at www.coertvoorhees.com. Grammaropolis is where grammar lives! Hailed as the "Schoolhouse Rock! for the 21st Century", Grammaropolis combines traditional instruction and assessment with our innovative, story-based lessons featuring personified parts of speech and punctuation marks. Our engaging and effective approach has revolutionized the way millions of students learn about grammar and writing. Featuring bossy adverbs, shady pronouns, and the other parts of speech; no-drama Chief Comma and the rest of the Punctuation Department; and a Sentence Factory run by the Mayor himself, Grammaropolis achieves the seemingly impossible: we make learning grammar fun!

Coert Voorhees is a former writing and grammar teacher who spent years in the classroom sharing his passion for language with often skeptical middle school students. Grammaropolis is based on his most successful lesson plans. With its award-winning website, mobile apps, and music videos, Grammaropolis has revolutionized the way millions of students in thousands of schools around the world learn about grammar and writing. Coert is the author the novels ON THE FREE (2017), IN TOO DEEP (2013 Junior Library Guild Selection), LUCKY FOOLS (2012 Junior Library Guild Selection), and THE BROTHERS TORRES (2009 ALA Top Ten Best Books for Young Adults), as well as the STORM WRANGLERS children’s book series. He has been a Fulbright scholar in Chile and Visiting Writer in Residence at Rice University, and he now lives with his family in Houston, Texas. Visit Coert's website at www.coertvoorhees.com. Grammaropolis is where grammar lives! Hailed as the "Schoolhouse Rock! for the 21st Century", Grammaropolis combines traditional instruction and assessment with our innovative, story-based lessons featuring personified parts of speech and punctuation marks. Our engaging and effective approach has revolutionized the way millions of students learn about grammar and writing. Featuring bossy adverbs, shady pronouns, and the other parts of speech; no-drama Chief Comma and the rest of the Punctuation Department; and a Sentence Factory run by the Mayor himself, Grammaropolis achieves the seemingly impossible: we make learning grammar fun!