- Amazon ebook price for James Patterson’s Invisible when released (summer 2014): $8.99
- Amazon ebook price for Invisible as of today: $9.99
- Amazon ebook price for James Patterson’s new 2015 summer release, Alert: $14.99
- Percentage of US ebook sales (net) at Hachette during the first half of 2014: 29
- During the first half of 2015: 24
- Hachette’s percentage drop in revenue during that period: 7.8
- Percentage change thus far, industry-wide, in ebook revenue compared to 2014: -10.4
- Percentage of kids who read at least one ebook in 2010: 35
- Percentage in 2014: 61
- Percentage of kids who read ebooks at school in 2012: 12
- Percentage in 2014: 21
- Percentage of teens who prefer text messaging for close friend communication: 49
- Who prefer social media: 20
- Who prefer phone calls: 13
- Who prefer video games: 6
Sources: E-Book Sales Fall After New Amazon Contracts, How Schools Buy and Use E-Books, Teens, Technology and Friendships

Jane Friedman has spent her entire career working in the publishing industry, with a focus on business reporting and author education. Established in 2015, her newsletter The Bottom Line provides nuanced market intelligence to thousands of authors and industry professionals; in 2023, she was named Publishing Commentator of the Year by Digital Book World.
Jane’s expertise regularly features in major media outlets such as The New York Times, The Atlantic, NPR, The Today Show, Wired, The Guardian, Fox News, and BBC. Her book, The Business of Being a Writer, Second Edition (The University of Chicago Press), is used as a classroom text by many writing and publishing degree programs. She reaches thousands through speaking engagements and workshops at diverse venues worldwide, including NYU’s Advanced Publishing Institute, Frankfurt Book Fair, and numerous MFA programs.
