Bookreporter.com. John Grisham & Jamie Ford are popular authors. 20% readers read 10+ books a month: Survey. Top 3 non-fiction types: biography/memoir/hisotry. 66% belong to Goodreads. 86% read more than 25 books a year. 87% read 25+ book in 2010. Most readers are reading more than 2 books a. 38% read at least 50% books on e-readers.
Almost all readers keep their list of books.