Only the current version so far — new entries appear as the app ships updates.
ABook Biz is a books & reference app by Agentec with 1,000+ downloads (about 2.4K estimated). Released Jan 15, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “"ABook Biz (er book biz) viewer application" is a dedicated viewer for viewing the information content to be delivered from the content management platform.”