Perry Rhodan is the name of a science fiction series published since 1961 in Germany, as well as the name of the main character. It is a space opera, dealing with several themes of science fiction. Having sold over one billion copies (in pulp booklet format) worldwide, it is the most successful science fiction book series ever written.
The series is told in an arc storyline structure of 25 to 100 issues each.
here are the covers of the first year of publication, 1961, all by Johnny Bruck.