Forbidden Knowledge
| Author | Stephen R. Donaldson |
|---|---|
| Language | English |
| Series | The Gap Cycle |
| Genre | Science fiction |
| Publisher | Bantam Books/Spectra |
Publication date | 1991 |
| Publication place | United States |
| Media type | Print (Hardback & Paperback) |
| ISBN | 0-553-29760-0 (USA hardback) |
| OCLC | 26342214 |
| Preceded by | The Real Story |
| Followed by | A Dark and Hungry God Arises |
Forbidden Knowledge (or officially The Gap into Vision: Forbidden Knowledge) is a science fiction novel by American writer Stephen R. Donaldson, the second book of The Gap Cycle series. It was published in 1991.