The Dunlap siblings must solve the mystery of a sick pony on Chincoteague Island in this second book of a chapter book series inspired by Marguerite Henry’s Misty of Chincoteague.

There’s a sick horse at Misty Inn! Something Buttercup is eating—or being fed—is making her ill. Can Willa and Ben solve this pony problem and help Buttercup feel healthy again?

The Dunlap siblings must solve the mystery of a sick pony on Chincoteague Island in this second book of a chapter book series inspired by Marguerite Henry’s Misty of Chincoteague.

There’s a sick horse at Misty Inn! Something Buttercup is eating—or being fed—is making her ill. Can Willa and Ben solve this pony problem and help Buttercup feel healthy again?