She worked for Lady Muriel Paget's aid mission in Czechoslovakia before becoming an editor for publishers Heinemann and Methuen Publishing and a reviewer of children's books at The Sunday Times, among others.
During the Second World War, she became editor of Penguin's children's imprint Puffin Books.
After her retirement in 1961, she received the Eleanor Farjeon Award from the Children's Book Circle.
[1] Graham's father was the editor of Country Life.
[2] She attended North London Collegiate School.