"Bestseller" books aren't associated with a specific number of sales, and bestseller lists can have very different (and sometimes arbitrary) parameters.
The Book Sense bestseller lists, for example, use sales numbers from independent bookstores, while the New York Times uses both wholesale and retail sales records from many sources. Amazon.com compiles its lists solely from its own sales records.
How to Determine the Bestseller Books
Many book jackets and covers claim to be bestsellers, but there are many definitions and associations with the term. Simply calling a book a bestseller does not make it one. There are many official and carefully computed lists that regularly report... More »
Difficulty: Easy
Source: www.ehow.com

Bestseller

en.wikipedia.org/wiki/Bestseller

Books of superior academic value or literary merit tend not to be bestsellers, .... For example, a "summer bestseller" is usually determined long before the ...

Here's How You Buy Your Way Onto The New York Times ... - Forbes

www.forbes.com/sites/jeffbercovici/2013/02/22/heres-how-you-buy-your-way-onto-the-new-york-times-bestsellers-list/

Feb 22, 2013 ... An endorsement from Oprah Winfrey. A film deal from Steven Spielberg. A debut at the top of The New York Times bestsellers list. These are ...

8 Things Most People Don't Know About Amazon's Bestsellers Rank ...

www.makeuseof.com/tag/8-things-people-dont-know-amazons-bestsellers-rank-sales-rank/

Apr 28, 2014 ... Amazon has many ways of ranking products, but one of the least understood is the Amazon Bestsellers Rank. Let's try to understand what it ...

What Being A "Bestselling Author" Really Means | Fast Company ...

www.fastcompany.com/1813678/what-being-bestselling-author-really-means

Feb 3, 2012 ... There's a big difference between being an author and being a bestselling author. Whether you are a business owner, a speaker, or a full-time ...

How Bestseller Lists Work…and Introducing the Amazon Monthly 100

fourhourworkweek.com/2012/08/17/amazon-monthly-100/

Aug 17, 2012 ... So you want a bestseller? If you're going to compete against 200000+ books per year in the US, you better understand how the lists work.

What's with all the "national best sellers"? - Slate Magazine

www.slate.com/articles/news_and_politics/book_blitz/2004/10/whats_with_all_the_national_best_sellers.html

Oct 15, 2004 ... Walk into a bookstore, and it can seem as though every book is billed as a " national best seller." It's not hard to explain why: There are ...

How to hack the Amazon.com bestseller list | Tim Grahl

timgrahl.com/how-to-hack-the-amazon-com-bestseller-list/

Sep 29, 2011 ... I've got a brand new free course on helping you, not just hack the bestseller list, but launch with a ton of reviews, create a stellar book page and ...

N.Y. Times keeps Cruz off bestseller list - Politico

www.politico.com/blogs/media/2015/07/ny-times-keeps-cruz-off-bestseller-list-210254

Jul 9, 2015 ... The New York Times informed HarperCollins this week that it will not include Ted Cruz's new biography on its forthcoming bestsellers list, ...

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Popular Q&A
Q: How to Determine the Bestseller Books.
A: 1. Visit standard bestseller lists in newspapers like The New York Times, USA Today or Book Sense. These lists represent what is currently selling and how well ... Read More »
Source: www.ehow.com
Q: How are "Bestsellers" determined?
A: Bestsellers are determined by the number of copies sold through the CrossBooks Bookstore over the past month, approximately (retail channel sales and direct sal... Read More »
Source: www.crossbooks.com
Q: How are the titles on the bestseller lists determined?
A: Bestseller data is taken directly from Core and represents actual sales transacted through the AS/400. The data is based on number of units sold (not total sale... Read More »
Source: wileyprojects.com
Q: In India, sales of how many no. of copies would determine if the ...
A: 5000 plus is known to be bestseller Read More »
Source: qna.rediff.com
Helpful Resources

What Does Bestseller Title Really Mean? - Dear Author

dearauthor.com

Feb 1, 2011 ... What exactly is a bestseller? I had a reader email me and ask why a certain author had “International Bestselling Author” on her website and ...