Only the current version so far — new entries appear as the app ships updates.
電子書籍 book-in-the-box is a books & reference app by SHARP CORPORATION with 50,000+ downloads (about 94K estimated). +8 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Content sold the book-in-the-box in various electronic bookstore sites that employ, e-book application that can be viewed and managed by a single application.”