11 books in series
X/1999 (X [エックス])
X/1999 (X [エックス]) is a 12-book series with 11 released primary works first released in 1992 with contributions by CLAMP and Fred Burke.
| #2 |  X/1999, Volume 02: Overture
| 4.33 | 6 reads | ||
| #4 |  X/1999, Volume 04: Intermezzo
| 4.75 | 4 reads | ||
| #6 |  X/1999, Volume 06: Duet
| 4.75 | 4 reads | ||
| #7 |  X/1999, Volume 07: Rhapsody
| 4.75 | 4 reads | ||
| #10 |  X/1999, Volume 10: Fugue
| 5 | 3 reads | ||
| #12 |  X/1999, Volume 12: Movement
| 5 | 2 reads | ||
| #13 |  X/1999, Volume 13: Lament
| 5 | 3 reads | ||
| #15 |  X/1999, Volume 15: Waltz
| 5 | 3 reads | ||
| #16 |  X/1999, Volume 16: Nocturne
| 5 | 3 reads | ||
| #17 |  X/1999, Volume 17: Suite
| 5 | 3 reads | ||
| #18 |  X/1999, Volume 18: Inversion
| 5 | 2 reads | ||
| #18.5 |  X/1999, Volume 18.5
| 5 | 1 read |