Written by Ruby Feguson all about Jill and her pony Black Boy and her friend Anne. They were written in the late 50's and were a series as the girls grew up with horses. Sadly and typical of the era at the end of the series of books Jill and Anne both gave up ponies and became secretaries!
Do You Remember Jill Series (Pony Books)?
Do You Remember Jill Series (Pony Books)?