No Problem other than
Excessive CPU usage when converting multiple books. Calibre for Windoze only uses about 3.4-5 G of memory. And I have 16 G; so it would work more efficiently if it were written for 64-bit systems.
I recently installed Linux Mint 64-bit, and am trying to run Calibre through that, but I cannot find my E-book directory, and I don't wish to duplicate it, for it has 12.75 G of books in it.
Nevertheless, there's nothing better than Calibre and a little time spent working with it to process books for 3 Kindle KB's, a Kindle Fire, and Kindle for PC. Love them all!
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