The document analyzes consumer attitudes and purchasing trends related to e-books based on surveys conducted by the Book Industry Study Group. It finds that the percentage of book buyers purchasing e-books has grown significantly in recent years, reaching 17% in 2011, with certain genres like science fiction and Christian fiction seeing even higher e-book adoption rates. However, growth in e-book purchasing slowed in 2011. Heavy book buyers, referred to as "power buyers", demonstrate loyalty to both print and e-books, but e-books now account for over half of their book spending. Barriers to e-book adoption include not owning an e-reading device and preferences for print formats. The report considers various scenarios for how e-book