This installment was originally published in Look and Learn issue no. 533 on 1 April 1972.
The Miniature Killers of Zelph (continued . . .)
This installment was originally published in Look and Learn issue no. 532 on 25 March 1972.
The Prisoner of Zerss (continued . . .)
This installment was originally published in Look and Learn issue no. 523 on 22 January 1972.
