In 1966 she started working for the VARA. At first in the music department and later in the film department. She translated many films including "The BFG" of Roald Dahl. In 1984 Kramer started working as a children's book author for children from the age of 10 years. In addition, Kramer wrote picture books and books for younger children. Her books were published by . Kramer included Greek mythologies in her stories. Her most known book was "Een steen door de ruit" from 1987 that received a tip from the and won the prize of the Children and Youth Jury Limburg.