Margaret Clark was born in Geelong, Victoria in 1942. She has worked as a primary teacher, pre-school director, university lecturer and alcohol and drug educator with the Victorian Health Department. These various jobs have given her great insight into the lives of children and teenagers. She has a Bachelor of Education, a Masters degree, and a Doctorate in Education. She has written books under the name M. D. Clark, Margaret D. Clark and Lee Striker. With over one hundred books about relationships, friendships, and social issues under the guise of humour, Margaret's books have become very popular with young readers.