In its three-year lifespan, between 1953 and 1956, a total of 38 editions were published.
Only the first eight contained Biggles content; a serialisation of Biggles Works it Out.
There's some information about this magazine at www.collectingbooksandmagazines.com.
Final section of Biggles Works it Out, across 6 pages. Plus a full page ad for the Biggles radio series on the inside front cover: