Install Calibre 2.58 On Ubuntu 16.04

Install Calibre 2.58 on Ubuntu 16.04, via PPA. Calibre 2.58 eBook converter has been released with an improved Qt 5.5 support on Ubuntu and a new text search tool. Calibre ebook management software is also a popular ebook reader which has many powerful features. Best of all, Calibre comes with an inbuilt e-book conversion feature. […]