Race for the Moon (Strato [Thorpe & Porter]) # 1-6
(Straight angled cover title used except #1, branding "British Edition plus 1' price")
Covers:
#1-3 have the covers from the Harvey series
#4 from World of Fantasy #15 (December 1958)
#5 from Strange Worlds #1 (December 1958)
#6 from World of Fantasy #16 (February 1959)
There was also a second series:
Race for the Moon (Top Sellers Ltd [Thorpe & Porter]) # 1-23
(Curvey cover title used and "TP" branding)
The exact dates of publication for both series remain to be documented.