| 
by John ChristopherPaperback details (USA). 
 details (Germany). details (France). details (Italy). 
 
 ISBN: 978-0-02-042680-6 ISBN-10: 0-02-042680-1 Simon Pulse · 1972  | 
| See also: | ||
| 2014 | Paperback | The Guardians | 
| 2014 | Hardcover | The Guardians | 
| 1994 | Taschenbuch | The Guardians | 
| 1970 | Hardcover | The Guardians |