DartFrog evaluates, selects and distributes exceptional self-published books to our partner bookstores. This app allows our partner bookstores to order DartFrog books directly from their mobile phones. Sign up through www.DartFrogDatabase.com, then use the username and password you created to log in to this app. Browsing and ordering is simple and quick. No entering of shipping or billing information. Just select, order, and your done. We will process your order, ship you the books and send an invoice. Simple and easy. DartFrog Books!