| Zyklen/Sonstiges | Nummer |
Reihe | Titel | Autor | |
| X | 1 |
Dino X Universum | Farnhams Legende | Helge T. Kautz | |
| X | 2 |
Dino X Universum | Nopileos | Helge T. Kautz | |
| X | 3 |
Dino X Universum | Yoshiko | Helge T. Kautz | |
| X | 4 |
Dino X Universum | Hüter der Tore | Helge T. Kautz | |
| X-Men | 0 |
Dino X Men | Waffe X | Marc Cerasini | |
| X-Men | 1 |
Dino X Men | Der dunkle Spiegel | Marjorie M. Liu | |
| X-Men | 2 |
Dino X Men | Feind meines Feindes | Christopher L. Bennett | |
| X-Wing | 0 |
Goldmann SF 24929 | X-Wing -Angriff auf Coruscant | Michael A. Stackpole | |
| X-Wing | 0 |
Goldmann SF 26936 | Gnadentod | Aaron Allston | |
| X-World | 1 |
mgverlag | X-World - Gefahr aus der Urzeit | Manfred Weinland | |
| Xanth | 1 |
Bastei Fantasy 20053 | Chamäleon-Zauber | Piers Anthony | |
| Xanth | 1 |
Bastei Fantasy 20156 | Chamäleon-Zauber | Piers Anthony | |
| Xanth | 2 |
Bastei Fantasy 20059 | Zaubersuche | Piers Anthony | |
| Xanth | 2 |
Bastei Fantasy 20158 | Zaubersuche | Piers Anthony | |
| Xanth | 3 |
Bastei Fantasy 20061 | Zauberschloss | Piers Anthony | |
| Xanth | 3 |
Bastei Fantasy 20160 | Zauberschloß | Piers Anthony | |
| Xanth | 4 |
Bastei Fantasy 20065 | Zentaurenfahrt | Piers Anthony | |
| Xanth | 4 |
Bastei Fantasy 20162 | Zentaurenfahrt | Piers Anthony | |
| Xanth | 5 |
Bastei Fantasy 20069 | Elfenjagd | Piers Anthony | |
| Xanth | 5 |
Bastei Fantasy 20164 | Elfenjagd | Piers Anthony | |
| Xanth | 6 |
Bastei Fantasy 20071 | Nachtmähre | Piers Anthony | |
| Xanth | 6 |
Bastei Fantasy 20166 | Nacht-Mähre | Piers Anthony | |
| Xanth | 7 |
Bastei Fantasy 20077 | Drachenmädchen | Piers Anthony | |
| Xanth | 7 |
Bastei Fantasy 20168 | Drachenmädchen | Piers Anthony | |
| Xanth | 8 |
Bastei Fantasy 20094 | Rittergeist | Piers Anthony | |
| Xanth | 8 |
Bastei Fantasy 20230 | Ritter-Geist | Piers Anthony | |
| Xanth | 9 |
Bastei Fantasy 20106 | Turmfräulein | Piers Anthony | |
| Xanth | 9 |
Bastei Fantasy 20232 | Turmfräulein | Piers Anthony | |
| Xanth | 10 |
Bastei Fantasy 20120 | Heldenmaus | Piers Anthony | |
| Xanth | 10 |
Bastei Fantasy 20236 | Heldenmaus | Piers Anthony | |
| Xanth | 11 |
Bastei Fantasy 20139 | Himmelstaler | Piers Anthony | |
| Xanth | 12 |
Bastei Fantasy 20154 | Weltenreise | Piers Anthony | |
| Xanth | 13 |
Bastei Fantasy 20177 | Mondelfe | Piers Anthony | |
| Xanth | 14 |
Bastei Fantasy 20204 | Höllen-Mädchen | Piers Anthony | |
| Xanth | 15 |
Bastei Fantasy 20227 | Meeres-Braut | Piers Anthony | |
| Xanth | 16 |
Bastei Fantasy 20253 | Dämonen-Spiele | Piers Anthony | |
| Xanth | 17 |
Bastei Fantasy 20266 | Harpyien-Träume | Piers Anthony | |
| Xanth | 18 |
Bastei Fantasy 20279 | Wasser-Speier | Piers Anthony | |
| Xanth | 19 |
Bastei Fantasy 20302 | Vogel-Scheuche | Piers Anthony | |
| Xanth | 20 |
Bastei Fantasy 20351 | Wechsel-Wind | Piers Anthony | |
| Xanth | 21 |
Bastei Fantasy 20411 | Wald-Schrat | Piers Anthony | |
| Xanth | 22 |
Bastei Fantasy 20424 | Zombie-Lover | Piers Anthony | |
| Xelee Zyklus | 1 |
Heyne SF 5162 | Das Floß | Stephen Baxter | |
| Xelee Zyklus | 2 |
Heyne SF 5240 | Das Geflecht der Unendlichkeit | Stephen Baxter | |
| Xelee Zyklus | 3 |
Heyne SF 5397 | Ring | Stephen Baxter | |
| Xelee Zyklus | 4 |
Heyne SF 5937 | Flux | Stephen Baxter | |
| Xelee Zyklus | 5 |
Heyne SF 6374 | Vakuum Diagramme | Stephen Baxter | |
| Xenogesis | 1 |
Heyne SF 4765 | Dämmerung | Octavia E. Butler | |
| Xenogesis | 2 |
Heyne SF 4766 | Rituale | Octavia E. Butler | |
| Xenogesis | 3 |
Heyne SF 4767 | Imago | Octavia E. Butler | |
| Xperten | 0 |
Freya | Der Mindcaller | Jennifer Lennon | |
| Xperten | 0 |
Freya | Der Anfang | Peter Lechner | |
| Xperten | 0 |
Freya | Der Paraschirm | Samuel Osborne |