Karen Lee Baker writes (and I think illustrates) children’s picture books. I’ve only found one which is a horse book, but it is a charmer. It’s beautifully illustrated and doesn’t patronise either child or parent.
Finding the book Still in print, and easy to find secondhand both in the UK and USA.
Links and sources Many thanks to Lisa Catz for the photograph.
Bibliography (horse books only)
Seneca
Greenwillow Books, New York, 1997
A story for younger readers about getting, and caring for, a pony.