[Courtney Milan]

http://www.publishersweekly.com/pw/by-topic/industry-news/bookselling/article/56408-the-e-book-explosion-facts-figures-2012.html

This is amazing because it gives actual numbers for some books, from publishers sharing information.

 

[Janet Michelson]

A lot of the numbers are much lower than I would have guessed. Then you figure out the low rate of royalty for trad published authors and--wow--no wonder most authors don't make money.

 

[jackz4000]

I would have thought they sold more also.

 

[Gertie Kindle]

Interesting that JKR's The Casual Vacancy did under 250K.