#14

Nov 1st, 1955

#15

Jan 1st, 1956

#16

Apr 1st, 1956

#17

Jul 1st, 1956

#18

Sep 1st, 1956

#19

Feb 1st, 1957

#20

May 1st, 1957

#21

Aug 1st, 1957

#22

Nov 1st, 1957

Title changes to Space Adventures with No. 23