--- NOTE: Calibre requires Hal to be running for access to devices. The user who is running Calibre also needs to be able to mount devices. For non-root users, this means modifying %%PREFIX%%/etc/PolicyKit/PolicyKit.conf and adding the policy there. To allow a single user named "example" to mount removable devices, add the following: Additional users will each need their own block with a "yes" return result. To permit all accounts to mount removable devices (allowing a denial of access attack) add the following: --- If you are using an Android device as your e-book reader, please note that the stock Google Books app uses a storage format that is not supported by calibre. The calibre FAQ recommends that either of the free apps Aldiko or WordPlayer are used instead. ---