| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Unicorn's Horn: A Compilation of Short Works: by George R. Martin III | 978-1-5232-7788-9 (1-5232-7788-2) | 2016 |
| Black Betsy: Growing up as a Martin | 978-1-5232-6794-1 (1-5232-6794-1) | 2016 |
G.M. · G. Martin · G.R. Martin · G Robert · George I. · George III · George M. · George Martin · George R. · George R. Martin · M. I. · R. M. · R. Martin · Robert M. · Robert Martin