What Are the Best-Selling Fantasy Books and Series of All Time?

The other day I came across this Wikipedia article listing best-selling books, and as I scrolled through the list (which is based on estimated number of copies sold), it struck me that many of the titles listed – including the top 4 – are fantasy novels. And I’m not just talking about Harry Potter or Lord of the Rings… these two series undoubtedly dominate the top of the lists, but there are other fantasy books in the mix too.

So this got me to thinking, what are the most popular fantasy books and series of all time, in terms of book sales?  I thought I’d use the list to answer this question, compiling those fantasies that are estimated to have sold 50 million copies or more: Continue reading