The It Girls

THE IT GIRLS They’re rich, fabulous… and dangerously underestimated. IT GIRL: Alexa CheltinghamMISSION: Pose as a grubby groom to stop a high-stakes horse killer and protect the Mayor of New York’s show-jumping daughter.A Cheltingham shoveling horse manure – what would Mother think? That was my first reaction when the Gotham Rose spy ring handed me this riches-to-rags assignment. But the country’s top show horses were dying suspiciously and the Roses trusted me to catch the killer.My old leg injury wouldn’t stand in my way, not by a longshot. I’d muck stalls and uncover the dirty secrets of the equine world’s bigwigs, then clean up in time to host the Horses of Hope chari…