World of Ptavvs
| Book | World of Ptavvs (Novel) |
| Imprint | The Science Fiction Book Club |
| Publisher | Readers Union Ltd |
| Copyright Holder | Larry Niven |
| First Published by | Macdonald & Co (Publishers) Ltd |
| Printed by | Hollen Street Press Ltd. |
| Series | Tales of Known Space, Known Space |
| Format | Hardback |
| Language | English |
| Location | Letchworth Garden City, UK |
| Copyright | 1966 |
| This Edition Published | 1969 |
| Pages / Font | 160 pages |
| Price | 8s 6d |
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