ebook edition; digital book version
Refers to the electronic version of a book, as opposed to a physical print edition. Common in publishing and retail contexts.
This novel is also available in an ebook edition.
The ebook edition is often cheaper than the paper book.
電子書籍 means 'ebook' in general, while 電子書籍版 specifically means 'ebook edition' of a particular title.
紙書籍 refers to a physical paper book, often contrasted with 電子書籍版.
Compound of 電子 (electronic) + 書籍 (book) + 版 (edition). A straightforward modern coinage reflecting the digital publishing era.