Memoir

Hi
The Title of a book is:
'G.Levenfish "select games and memoirs"'

here's the definition of memoirs by 'American Heritage' dictionary:

mem·oir (mmwär, -wôr)

n.
1. An account of the personal experiences of an author.

2. An autobiography. Often used in the plural.

3. A biography or biographical sketch.

4. A report, especially on a scientific or scholarly topic.

5. memoirs The report of the proceedings of a learned society.

Which sense applies here and why?