Facts & Figures: Paper Books, Vinyl Records Via Pew Internet: Only 4 percent of readers are "e-book only." Print is still Americans" preferred medium for reading books. The percentage of adults who read an e-book in the past year has risen to 28%, up from 23% at the end of 2012. At the same time, about seven in ten Americans reported reading a book in print, up four percentage points after a slight dip in 2012, and 14% of adults listened to an audiobook. Though e-books are rising in popularity, print remains the foundation of Americans" reading habits. Most people who read e-books also read print books, and just 4% of readers are "e-book only." Audiobook listeners have the most diverse reading habits overall, while fewer print readers consume books in other formats. Via Statista: Vinyl sales accounted for only 2 percent of total album sales in the United States in 2013, but were up 32 percent over the previous year. The LP continued its unlikely comeback in 2013, with vinyl album sales in the United States reaching 6 million units! As opposed to CD sales which declined 14.5 percent and digital album sales which stagnated, LP sales grew by 32 percent from 4.55 million units in 2012. Overall album sales suffered an 8.4 percent decline, slumping to 289.4 million from 316 million units in 2012.