Thanks, but if you could, try to follow this guide when you have time to strop the DRM: http://www.the-digital-reader.com/2012/06/15/how-add-kindle-drm-removal-plugin-calibre/#.UM2y73fko24
I believe only you will be able to do it since you own the original.
I believe only you will be able to do it since you own the original.