Only the current version so far — new entries appear as the app ships updates.
ポケット本屋さん - 本棚から本を探す/新刊・話題書・雑誌 is a books & reference app by Amagamina Games, Inc. with 1,000+ downloads (about 4K estimated). +6 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “Carry a bookstore with you. You can enjoy the excitement of being at a bookstore anytime, anywhere. This is a new type of app that allows you to search for the book you want to read from a bookshelf full of books.”