App creation is such a simple process in Papertrell. If you have a DOC version of book available, you can follow the below mentioned steps.
1. Log in to your account in Papertrell (http://www.papertrell.com).
2. In Dashboard , Click "Add new title".
3. Select "Import DOC" tab > choose and add the word .Doc file >choose any template "Blank Templates/Sample Templates/ My Templates" and click Import.
4. Storyboard page shown.
4. Click "Preview on Device" button.
Wohooo. App is created. Next step for you is to view the app in your device .
Refer to "How to Preview your app in device"