This instalment was originally published in Look and Learn issue no. 520 on 1 January 1972.
The Prisoner of Zerss (continued . . .)
This instalment was originally published in Look and Learn issue no. 519 on 25 December 1971.
The Prisoner of Zerss (continued . . .)
This instalment was originally published in Look and Learn issue no. 518 on 18 December 1971.
