This installment was originally published in Look and Learn issue no. 638 on 6 April 1974.
The Miniature Killers of Zelph (continued . . .)
This installment was originally published in Look and Learn issue no. 532 on 25 March 1972.
Trigo’s Five Tasks
This installment was originally published in Look and Learn issue no. 439 on 13 June 1970.
