title: pdf and epub notes , bookmarks and highlights feature
body: <p>I want to develop iPhone application which allow user to create note on particular text ,user can bookmark page and save highlighted text. How can I do that . I know about PSPDFKit but it is no free any one knows about any free resource for that ? or another way I can do this . </p>
  
  <p>I have highlighted text of pdf and epub file but how can I save that highlighted text and how to bookmark pages ?</p>
  
  <p>Thanks !!</p>