# The Secret Life of the Underwear Champ

**Author:** Betty Miles
**Grade range:** Grades 4–6
**Age range:** 9–12
**Page count:** 117
**ISBN-13:** `9780394827216`
**ISBN-10:** `039482721X`
**Canonical URL:** https://readinglist.school/book/the-secret-life-of-the-underwear-champ
**License:** [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/) — please credit ReadingList.school when citing.

## Where this book is assigned

### Mark Twain Readers Award

- **recommended** · 4th grade · Missouri — [source: Missouri Association of School Librarians (MASL) — Mark Twain Readers Award official previous-winners list — 1984 Mark Twain Award winner](https://web.archive.org/web/20250426145328/https://masl.site-ym.com/page/MT_previouswinnners)
- **recommended** · 5th grade · Missouri — [source: Missouri Association of School Librarians (MASL) — Mark Twain Readers Award official previous-winners list — 1984 Mark Twain Award winner](https://web.archive.org/web/20250426145328/https://masl.site-ym.com/page/MT_previouswinnners)
- **recommended** · 6th grade · Missouri — [source: Missouri Association of School Librarians (MASL) — Mark Twain Readers Award official previous-winners list — 1984 Mark Twain Award winner](https://web.archive.org/web/20250426145328/https://masl.site-ym.com/page/MT_previouswinnners)

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