To delete chapters,

1. Open the "Collections" tab.
2. Tap a title that you want to delete its chapters from the list.
3. In the chapter list screen, tap the  button.
4. The screen will change to "Edit" mode, tap the  button at the front of any chapter and tap the  button behind that chapter to delete it. You can also use the  button to delete multiple chapters by criteria.
5. Tap the "Done" button to end "Edit" mode.

To delete a title,

1. Open the "Collections" tab.
2. Tap the  button and choose "Edit".
3. The screen will change to the "Edit" mode, tap the  button at the front of a title you want to delete.
4. Tap the  button behind the title you want to delete to confirm deleting it.

To delete all titles,

1. Open the "Collections" tab.
2. Tap the  button and choose "Delete All".
3. The confirm dialog will be displayed, tap the "Go ahead" button.
4. The second confirm dialog will be displayed, tap the "Go ahead" button.