Grammar characters your kid will actually want to hang out with.
Five departments. Twenty-six characters. Workbooks, activity books, and curriculum for grades Grades 1 through 8. Built around real characters, aligned to four state and national standards frameworks, and now available direct from the publisher.
Find the workbook that fits your kid right now. Sample any book free. Buy single titles or save with bundles. Built for parents and homeschool families who have done worksheets and want something better.
Shop for my kid →Search standards by state and grade. See exactly which workbook covers which standard, down to the page. Request a bulk quote, get classroom-set pricing, and download a branded standards-alignment one-pager for any combination.
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Now in the spotlight: Grammaropolis P.D.
"This week the Department's combined Grades 3-5 volume is the highest-trafficked book in the catalog. The single-grade conversion is in build per the 2026 architecture brief; meanwhile, the current volume is the right book for any kid working through the K-5 punctuation curriculum. Sergeant Exclamation Mark is delighted. (He is always delighted.)" - The Mayor of Grammaropolis
Visit the Department →
The five departments of Grammaropolis.
Every workbook lives in one of five departments. Each department is a sub-brand with its own character cast, its own visual identity, and its own corner of the language. Browse by department, or by grade, or by the character your kid already loves.
The flagship department. Five workbooks (Grades 1-5, with 6-8 in build) plus the original eight-book storybook line. Nelson runs the noun office. Vinny is always doing something. Jake describes everything in sight. Roger stands in for whoever just left the room.
Officer Period. Chief Comma. Detective Question Mark. The Punctuation Department keeps the streets clean and the sentences legal.
The shop floor where parts of speech come together into something a reader can use. Est. 2014.
The Mayor's department. Five purposes, eight prewriting techniques, six steps from blank page to finished draft. Grade 5 pilot in production.
Word study, context clues, roots and affixes, synonyms and antonyms, denotation and connotation. Eight grade-level books, Grades 1 through 8.
Activity books, joke books, sticker pages, Mad Libs-style stories. Sub-brand name locked May 2026; mark exploration next; first Mischief titles in 2027 under the 'Grammaropolis Mischief Presents:' imprint construction.
Built for schools. Aligned to your state.
CCSS, TEKS, Florida B.E.S.T., New York Next Generation. 1,166 standards across four frameworks, with 4,900 citations to specific Grammaropolis workbook pages. Look up your state and grade in seconds.
Top of the catalog right now.
The bestsellers parents and teachers keep coming back for.