| Six of Crows Duology : Six of Crows / Crooked | | |
| Six of Crows (Six of Crows, 1) | | |
| Maverick Holiday Magic (Montana Mavericks: Six | | |
| Six Minutes to Midnight (Mission: Six, 6) | | |
| Secret Six: Six Degrees of Devastation | | |
| Six Tudor Queens: Katherine of Aragon, The True | | |
| Six Tudor Queens: Katherine of Aragon, The True | | |
| Six Tudor Queens: Anne Boleyn: A King's Obsession | | |
| Six Tudor Queens: Jane Seymour, the Haunted | | |
| Six Tudor Queens: Jane Seymour, The Haunted | | |
| Six Tudor Queens: Anna of Kleve, Queen of | | |
| Six Tudor Queens: Katheryn Howard, The Tainted | | |
| Six Tudor Queens: Katheryn Howard, The Tainted | | |
| Six Tudor Queens: Katharine Parr, The Sixth Wife: | | |
| Six Strands of the Web : An In-depth Study of the | | |
| Six-word War : Six Word Stories from a Generation | | |
| Rise of the Six : The Preston Six Series | | |
| Call of the Six: Volume 2 (The Preston Six) | | |
| Six: Blood Brothers: Based on the History Channel | | |
| Six: End Game: Based on the History Channel | | |
