The e-book market is growing steadily every year. Beginning with major publishers, major EC site companies are also entering the market.
With so many e-book stores out there, what is the right one to use? don't you know?
Therefore, I carefully selected 23 services from a number of e-book stores and thoroughly compared their features.
It will surely help you find the service that suits you. Please help us!
This article is written in Japanese. Please read using the translation function.
Article title: Thorough comparison of 23 recommended e-book services!