Marguerite Henry's ponies of Chincoteague

"Brooke Rhodes is excited to go to sleepaway riding camp for two weeks with her Chincoteague pony, Foxy. However, camp doesn't turn out to be quite as fun as Brooke expected. The other girls all know each other already, and they don't seem interested in bringing a newbie into their group. Besides that, they're all riding tall, fancy, super well-trained show horses--not scruffy young Chincoteague ponies. Then Brooke overhears that this might be the...

"When her horse show performance goes horribly wrong, Nina wonders if a Halloween ghost could be involved in this fourth book in a contemporary middle grade series in the tradition of Marguerite Henry's Misty of Chincoteague. Nina Peralt's boarding and lesson barn will be putting on a horse show this fall, and she can't wait to show off how well she and her pony, Breezy, have been doing lately! Bonus: the cute older brother of one of her fellow riders...

Brooke?s parents force Brooke to share Foxy with her little brothers and Brooke is none too happy. But she is happy that her friend Adam has been hanging around more again. She even lets him talk her into entering Foxy in a local show. But it doesn?t help that the twins riding Foxy so much lately is making the pony backslide in her training and act up a bit. And then: disaster! Adam backs out of attending the show, and Brooke almost backs out as well...

Nina is worrying about her best friend's dwindling interest in riding while discovering that someone has been sneaking into the barn and riding Breezy without permission.