Complex sentence: He published nothing in the last 24 years of his life, but an unpublished typescript and other unpublished works were found in his room after his death and were published posthumously as "Living Free".
Split into simpler sentences: He published nothing in the last 24 years of his life, but an unpublished typescript and other unpublished works were found in his room after his death. These were published posthumously as "Living Free".