Sci-Fi
Track this book
You choose which shelves are public. Progress and read dates stay yours.
About
Two and a half millennia ago, the artifact appeared in a remote corner of space, beside a trillion-year-old dying sun from a different universe. It was a perfect black-body sphere, and it did nothing. Then it disappeared. Now it is back.
Reviews
No reviews yet. Sign in to write the first.
Rating integrity
HealthyCounted ratings come from accounts older than 7 days and were made on or after publication. Finished readers weigh ×1.0. Readers who have not finished yet weigh ×0.5. Did-not-finish ratings are shown but not counted.
Editions
13 editions · 4 languages- Paperback · English · 1997Orbit · 455 pages · 9781857234572
- Hardcover · English · 1996Orbit · 451 pages · 9781857233940
- Other · English · 2023Little, Brown Book Group Limited · 9780356521671
- Other · English · 2008Little, Brown Book Group Limited · 464 pages · 9780748110001
- Other · English · 1998Bantam Books · 499 pages · 9780553575378
- Other · English · 1997Excession B S/W X12Little, Brown Book Group Limited · 9781857235272
Science fictionFictionLong Now Manual for Civilization
