In the Mouth of the Lion
J Guenther, author
June, 1942: As Germany's war stalls in Russia, Hitler becomes so erratic that the Wehrmacht asks Swiss psychiatrist Carl Jung to assess Hitler's sanity. He refuses. Unknown to the Germans and Jung, his friend, Mary Bancroft, is an OSS analyst. She and her boss, spy master Allen Dulles, convince Jung to go to Germany and attempt to steal Hitler's darkest secrets.