Jane Leslie Conly is an American author, the daughter of author Robert C. O'Brien. She started her literary work by finishing the manuscript for her father's Z for Zacharias in 1975 after his death. Her first own book, Racso and the Rats of NIMH, was published in 1986, and is a sequel to her father's Mrs. Frisby and the Rats of NIMH. She graduated from Woodrow Wilson High School in 1966 and from Smith College in 1971. Her Crazy Lady! won the Newbery Honor. She lives in Baltimore, Maryland with her family.