Her best-known books are "The Lark in the Morn" (1948) and "The Lark on the Wing" (1950), published by Oxford University Press. For the latter she won the annual Carnegie Medal from the Library Association, recognising the year's best children's book by a British subject. The Lark books were five family stories following the musical career of Kit Haverard. The three other novels continuing this Lark /Haverard series are "The Spring of the Year" (1957), "Flowering Spring" (1960), and "The Pavilion" (1969).