An account--from the point of view of a pony--of what it was like to be part of Captain Robert Scott's 1910 expedition to reach the South Pole before rival Roald Amundsen.

Twelve-year-old Silas is awoken in the dead of night by three menacing horsemen who take his father away. Silas is left shaken, scared, and alone, except for the presence of his companion, Mittenwool...who happens to be a ghost. When a pony shows up at his door, Silas makes the courageous decision to leave his home and embark on a perilous journey to find his father. Along the way, he will face his fears to unlock the secrets of his past and explore...

Eleven-year-old Yonder stopped talking when her mother died, and she stopped going to school because of the bullies, knowing that her father would never even notice (although the social worker did); indeed the only creature that seems to care about her is the one-eyed Shetland pony called Dirt who lives on the neighboring farm--so when she discovers that Dirt is about to be sold for horsemeat she is determined to find a way to save him.