There is no specific number of copies. The book must sell the most copies in a specific period of time. The New York Times runs a weekly bestseller list that keeps track of book sales.
U hope none.
4.5 million copies
Philip Pullman has sold over 15 million copies of His Dark Materials series. It is unclear how much his other books have sold. He is probably in the 20-25 million copies category. (Not including his new book "The Good Man Jesus and the Scoundrel Christ.")
ten million
1
Over 7 million copies of the book "Seabiscuit: An American Legend" by Laura Hillenbrand have been sold worldwide since its publication. It became a bestseller and popular work of non-fiction in the early 2000s.
Over 31.5 million copies of "The Kite Runner" by Khaled Hosseini have been sold worldwide, making it a bestseller.
The number of copies sold for the book is not specified.
The book has sold over one million copies.
'The Secret is a self-help book written by Rhonda Byrne that had become a real bestseller. It has been translated to more than 46 languages and it's calculated that it had sold more than 19 million copies worldwide.
Midnight In The Garden Of Good And Evil sold 3.3 million copies and spent 216 weeks on the New York Times bestseller list.
I'm not 100% sure but I believe that for a book to become a best-seller it must sell somewhere between 1-5 million copies? That what I've heard but don't re-lie on the too strongly hoped this helped =)I hear its 5000 in a week.
In Canada, a book typically needs to sell around 5,000 copies in order to be considered a best seller. This number can vary depending on the publication and the time of year.
The book sold 10,000 copies in the first week of its release.
500,000 copies.
New moon has sold over 5.3 million copies. It is still selling today. It's a bestseller, and a movie. You can read more in Wikipedia. :]
1000 copies have been sold