SideBooks funktioniert nicht

Curl animation that simulates the actual turning of paper pages has been added to the standard page slide function.  An infinite hierarchy of folders can be created, moved, deleted, renamed, etc. using the enhanced bookshelf management function.  Books can be protected so others cannot view them by using the password protected locking function.  diese App is a high performance, high speed PDF viewer that allows you to enjoy reading with the feel of actual paper.  Real visual bookshelf function that corresponds to back cover style display.  All zoom rates have been optimized providing high speed, dynamic screen display.  Files can be imported by 3 methods, Network transfer through Dropbox, USB transfer through iTunes and direct transfer from other applications.  Supports viewing from 3 directions, documents that open left to right, right to left and vertically.  This is a universal application that operates on the iPhone, iPod Touch and iPad.  It provides the optimal environment for viewing any book.