| Outer joinsKeeping the books with unknown authorsThe output we'd like to see:
 
 
        
          | title | name |  | Cat's Cradle | Kurt Vonnegut Jr. |  | Slaughterhouse Five | Kurt Vonnegut Jr. |  | Mother Night | Kurt Vonnegut Jr. |  | A Confederacy of Dunces | John Kennedy Toole |  | The Handmaid's Tale | Margaret Atwood |  | The Testaments | Margaret Atwood |  | A Woman in Berlin | NULL |  | Diary of an Oxygen Thief | NULL |  | Beowulf | NULL |  | Playing With Matches | Hannah Orenstein |  | Love at First Like | Hannah Orenstein |  | Head Over Heels | Hannah Orenstein |  |