This installment was originally published in Look and Learn issue no. 531 on 18 March 1972.
The Prisoner of Zerss (continued . . .)
This installment was originally published in Look and Learn issue no. 523 on 22 January 1972.
The Prisoner of Zerss (continued . . .)
This installment was originally published in Look and Learn issue no. 522 on 15 January 1972.
