Endangered Species
| Series | The Hardy Boys Casefiles |
| Publisher | Archway Paperback |
| Format | Paperback |
| Language | English |
| Copyright | 1992 |
| Pages / Font | 153 pages |
| Series Number | 64 |
| ISBN | 0-671-73100-9 |
| Notes | Operation Phoenix No. 1 |
Added by miketaylor81
| Series | The Hardy Boys Casefiles |
| Publisher | Archway Paperback |
| Format | Paperback |
| Language | English |
| Copyright | 1992 |
| Pages / Font | 153 pages |
| Series Number | 64 |
| ISBN | 0-671-73100-9 |
| Notes | Operation Phoenix No. 1 |