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Betsy Duffey
School becomes a battleground when an instant rivalry develops between two third graders determined to prove who is the best inventor.
| Publisher | Tandem Library |
|---|---|
| Format | School & Library Binding |
| Search language | simple |
| ISBN_10 | 0-785-79891-9 primary |
| ISBN_13 | 978-0-785-79891-0 primary |
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