memoir

noun

1. 1

   An autobiography; a book describing the personal experiences of an author.

   “When I retire, I'm going to write my memoirs.”

2. 2

   A biography; a book describing the experiences of a subject from personal knowledge of the subject or from sources with personal knowledge of the subject.

   “James wrote a memoir of his grandmother shortly after she passed away.”

3. 3

   Any form of narrative describing the personal experiences of a writer.