| Series: | Choose Your Own Adventure (1979-1998) no. 18 |
|---|---|
| Item: | Underground Kingdom |
| Author: |
Packard, Edward
|
| Illustrator: |
Kramer, Anthony
|
| ISBN: |
0553232924 / 9780553232929
|
| Length: | 108 pages |
| Number of Endings: | 21 |