Diana Kimpton & Diana Kimpton 
Princess Ellie’s Starlight Adventure [EPUB ebook] 

Princess Ellie is pony-mad! She has four perfect ponies and the entire palace grounds to ride in. So Ellie’s in trouble when the King finds hoofprints all over his perfect lawn. He thinks she’s been riding in the royal garden. To prove her innocence, Ellie decides she must catch the real culprit. But the only way to do this is to set out on a scary, starlight adventure…