The Line Must Hold
| Format | Paperback |
| Language | English |
| Copyright | 2013 |
| Author | Jay Allan (2) |
| Copyright Holder | Jay Allan Books |
| Publisher | System 7 Publishing |
| Series | Crimson Worlds |
| Format | Paperback |
| Language | English |
| Location | US |
| Copyright | 2013 |
| Pages / Font | 300 pages |
| Series Number | 5 |
| ISBN | 9780615816586 |
| Barcode | 9 780615 816586 |
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