Misty of Chincoteague

by Marguerite Henry.
The Phantom, a wild mare, has never been captured on Pony Penning Day. Pony Penning Day holds a surprise for everyone when Paul Beebe brings in the Phantom and her foal,
Misty. If you read this book, you will find out what happens to Misty and her mother.

P.S.In my next post,I might post something exciting(for horse lovers my age).