6 books in series
Timeline-191
Timeline-191 is a 6-book series with 6 primary works first released in 1997 with contributions by Harry Turtledove.
| #1 |  How few remain
| 3 | 7 reads | ||
| #3 |  The Great War - Breakthroughs
| 3.5 | 2 reads | ||
| #7 |  The Victorious Opposition
| 3.5 | 3 reads | ||
| #8 |  Return Engagement Return Engagement
| 0 | 2 reads | ||
| #10 |  The Grapple
| 0 | 2 reads | ||
| #11 |  In at the Death In at the Death
| 0 | 1 read |