I tried to plug in my Kindle paperwhite to the flash drive(H) to
  see the contents and delete one of the e books.
  The computer says that the selected e book has been deleted  but it is still there in my Kindle.
  By the way this model of Kindle paperwhite has no button to delete anything. Does anyone know a way? Thanks.
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How to delete an e book from my Kindle paperwhite?