List of best-selling books
This article maintains lists of printed books and book series. For some books a flawless accounting of sales is impossible, which is why such a book is not listed or provided with an expert estimate. " Best selling " refers to the estimated number of copies sold of a book, not on the number of existing copies. Comics are not included in these lists.
List of best-selling books
List of best-selling book series
Over 100 million copies sold
326.22 million to 3.37 billion
Less than 100 million copies sold
Notes
The Lord of the Rings was the author J.R.R. Tolkien wrote it as a standalone book, but published in three volumes. It counts for this reason, to books and not to the book series.