In calibre, go to Preferences → Advanced → Plugins, search for iOS reader applications.Choose the iOS reader applications plugin (the driver) and install it.In calibre, choose Preferences → Get plugins to enhance calibre….The driver depends upon software libraries and services installed with iTunes. If you are using calibre in a Windows or OS X environment, iTunes must be installed.This, new, plugin enables access to both iBooks and Marvin through a single unified plugin. If you have the Apple iDevice interface plugin installed on your system, disable or remove it.Copy books from Marvin to your calibre library.Synchronize (calibre → Marvin) metadata including covers.Manage collections in Marvin’s library using calibre.calibre will offer to convert your non-EPUB books before sending them to Marvin. Send any eBook format including mobi, FB2, and txt files to Marvin.You can get more help and support for the driver here. The driver is developed and maintained by Greg Riker. CHM Input: Handle CHM files that have missing or empty root files.Version 1.7 introduces support for a new, native calibre driver that lets Marvin and calibre communicate directly.Tag browser: Fix preservation of state when recounting and the visible categories have changed.Kobo driver: Fix for detection of some devices, with SD card not working on macOS.Kobo driver: Add support for the Kobo Aura H2O Edition 2.Can be changed in Preferences->Interface->Look & feel->Book details Book details panel: Clicking an author name now searches Goodreads by default instead of Wikipedia.Book details panel: Allow right clicking on an author name to search the internet for works by that author.Book details panel: Allow right click to search the internet for the current book.Minor tweaking of the main user interface to emphasize the core features.A new splash screen to celebrate the release of calibre 3.Support for high resolution (Retina screens).A completely re-written Content server with support for reading books in-browser on your phone/tablet.

There are a few minor backwards incompatibilities to be aware of in calibre 3.

Calibre can now convert all the book formats it supports to Microsoft Word (DOCX) files.

Calibre now has support for installing different icon themes (Preferences → Look & feel → Icon theme).As of calibre 3, calibre now natively supports high resolution (Retina) screens. E-book editor for the major e-book formats.Content server for online access to your book collection.Downloading news from the web and converting it into e-book form.Calibre features divided into the following main categories:

Calibre kobo collections