This installment was originally published in Look and Learn issue no. 573 on 6 January 1973.
The Miniature Killers of Zelph (continued . . .)
This installment was originally published in Look and Learn issue no. 528 on 26 February 1972.
The Giant Plant (continued . . .)
This instalment was originally published in Look and Learn issue no. 479 on 20 March 1971.
