| Series: | Choose Your Own Adventure (1979-1998) no. 21 | 
|---|---|
| Item: | Hyperspace | 
| Author: | 
                          
                Packard, Edward              
                                           | 
        
| Illustrator: | 
                          
                Kramer, Anthony              
                                           | 
        
| ISBN: | 
                          
                                0553233246 / 9780553233247              
                             | 
        
| Length: | 116 pages | 
| Number of Endings: | 15 |