Which of these three National Geographic covers sold the most copies in Canada in 2013?
Two of the covers sold really well, and one did not.
Also, the difference between the best and worst selling issues is 71% higher sales with
virtually identical distribution.
Think carefully before making your choice
The results are shown below.
And the rule that these results underscore is important too.
Cover #1: 20,496
Cover #2: 13,980 (worst of year)
Cover #3: 23,965 (best of year)
Interesting to note that cover #3 was the January 2013 issue, and they came back with another space themed cover for cover #1, which was the July 2013 issue.
Rule #30: If it works, keep doing it!