Has Amazon Already Won the eBook War in the US? | The eBook Reader Blog
E-Book Market Size to Grow by USD 6.93 billion | Benefits and Reader Engagement of e-books to Drive Growth | Technavio
What market share do Amazon, Apple, B&N Kobo and Google have selling eBooks? - Good e-Reader
Ebook sales continue to decline in September 2022 - Good e-Reader
eBooks Statistics By Country, Market Share, Platform and Genre
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E-book comments: April 2012
6.93 Billion Growth in Global E-Book Market 2021-2025 | Featuring Major Vendors Including Amazon.com Inc., Apple Inc., and Bertelsmann SE and Co. KGaA among others| Technavio
EBook Sales Are (no surprise) Up. Internet Book Sales Are (no surprise) Up. | Ask the Agent
Smashwords: 10 Reasons Indie Authors Will Capture 50% of the Ebook Market by 2020