Calibre e-book management software (Calibre e-book reader) for Linux Ubuntu. Install Calibre 2.39 on Ubuntu 15.04, Ubuntu 14.04 and Derivatives. Calibre 2.39 is the latest version of the Calibre E-book Management Software. The latest version of the software (version 2.39) has been released with the following changes. Implement tag mapping to automatically filter/transform tags when […]