| Zfound |
Asimov's Foundation Trilogy
| Isaac Asimov | Bantam Books | FIC-SCI |
| Zbounty |
Bounty Trilogy
| Charles Nordhoff & James Norman Hall | Little, Brown & Company | LIT7-20 |
| ZDuneSC |
Dune Trilogy - Paperback Trilogy Boxed Set
| Frank Herbert | ACE Publishing | FIC-BOX |
| Zhitch |
Hitchhiker's "Trilogy" set
| Douglas Adams | Ballantine Books | LIT7-20 |
| ZAustenSoft |
Jane Austen Softcover Collection
| Jane Austen | Penguin Putnam | LIT6-19 |
| ZLordPeter |
Lord Peter Wimsey - The Complete Collection
| Dorothy L. Sayers | HarperCollins | LIT7-20 |
| Zpendragon |
Pendragon Cycle set
| Stephen R. Lawhead | HarperCollins | FIC-FAN |
| Zshaara |
Shaara Civil War Trilogy
| Michael & Jeff Shaara | Ballantine Books | FIC-HIF |
| ZSpaceH |
Space Trilogy - Hardcover Set
| C. S. Lewis | Simon and Schuster | LIT7-20 |
| Zspace |
Space Trilogy - Quality Softcover Set
| C. S. Lewis | Simon and Schuster | LIT7-20 |