Margot Ladd Tomes was an American artist and illustrator of children’s books. Two books that she illustrated were cited by The New York Times as one of the best children’s books of the year, Jack and the Wonder Beans in 1977 and If There Were Dreams to Sell in 1984.
She was born in Park Hill, Yonkers, New York City cousin of painter Guy Pène du Bois and illustrator William Pène du Bois. She grew up in rural Nassau County. Before illustrating books she designed wallpaper and fabric. In 1959 she illustrated her first book The Breaking Point by Daphne du Maurier before specialising in children’s books from 1963; illustrating over sixty during her career. They included books by Jean Fritz (Homesick: My Own Story winning a Newbery Honor), Judith St. George and Aileen Fisher.