Antigrav Unlimited 3.1
| First published | 2015 |
|---|---|
| Publisher | Duncan Long Publications |
| Format | Trade Paperback |
| Type | Novel |
| Cover art | Duncan Long |
| Pages | 281 |
| Price | $9.99 |
| ISBN | 9781518673504 |
Third edition. Data from Amazon.com as of 2016-01-03. "Cover and interior artwork copyright © by Duncan Long" on copyright page of Archive.org copy.