In Self-Defense
| Series | The Hardy Boys Casefiles |
| Publisher | Archway Paperback |
| Format | Paperback |
| Language | English |
| Copyright | 1990 |
| Pages / Font | 155 pages |
| Series Number | 45 |
| ISBN | 0-671-70042-1 |
Added by miketaylor81
| Series | The Hardy Boys Casefiles |
| Publisher | Archway Paperback |
| Format | Paperback |
| Language | English |
| Copyright | 1990 |
| Pages / Font | 155 pages |
| Series Number | 45 |
| ISBN | 0-671-70042-1 |