Here's how "Best Sellers" become a thing: Publishers count the number of books they sell. This seems pretty simple, right? It is, but as a consequence, easily gamed. Publishers don't sell to you and me, they sell to book stores. So, you create some marketing to get people to preorder your book from a lots of different book stores. Book sellers inform the number of copies based, in part, on preorder numbers. There are…
I have a story about a well-known "best selling" author Some years ago received a random package in the mail - turns out it was 40+ copies of this authors new book. Had no idea what to do with them so they just sat around, I never even read it A few days later I notice some blogs running giveaways for the same book - figure they got deliveries of it as well. Go to a conference and in conversation find that a bunch of…
So of course record companies and sometimes artists would make sure there were big orders at those stores. And a lot of very bad records became unexpected chart toppers.