Only the current version so far — new entries appear as the app ships updates.
책 읽어주는 [보이스북] is a books & reference app by 이재용 with 100,000+ downloads (about 175K estimated). +6 installs in the last 7 days. Released Jan 20, 2012. Install growth, rank history, SDKs and ad networks.
From the store listing: “To read the book with voice applications”