Kid/teen book from no later than mid 70s. Boy and girl find magical carousel horse in barn and time-travel to solve something?
Kid/teen book from no later than mid 70s. Boy and girl find magical carousel horse in barn and time-travel to solve something?
Could it be RIDE A WILD HORSE by Ruth Christoffer Carlsen? It was published in 1970. It has a slightly creepy cover. Here’s the Kirkus review which has enough of a plot summary to help you decide: https://www.kirkusreviews.com/book-reviews/ruth-christoffer-carlsen-4/ride-a-wild-horse/
I second this!!