The Grape Sweetness Puzzle
The Alder Vale Farm Mysteries, book 9
Are this year’s grapes really sweeter, or only different? With a refractometer and a kitchen scale, Felicity learns that a single number rarely tells the whole story, and that a useful measurement is not yet a decision.
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- Author
- Howard Corven
- Illustrations
- Melissa Marlowe
- For
- Ages 8–12
- Format
- Illustrated paperback, 5.5 × 8.5 in
- Language
- English
- Publisher
- Wise Falcon Books
- Status
- In preparation



