 Leslie also exhibited in the United States, France, Czechoslovakia, the Netherlands, Australia and New Zealand.Her home was in Blakeney, Norfolk.Cecil Leslie illustrated the Puffin editions of the classic "Heidi" (1956) and E. Nesbit's "The Story of the Treasure Seekers" (1958), "The Wouldbegoods" (1958) and "The Enchanted Castle" (1964).