The Scarecrow Walks at Night (Goosebumps #20)

Jodie loves visiting her grandparents’ farm, But this summer the farm has really changed.
The cornfields are sparse, her grandparents seem worn out and even the single scarecrow has been replaced by twelve evil-looking ones.
One night Jodie sees something really odd. The scarecrows seem to be twitching on their stakes and coming alive…