FYI great news: Calibre 3.28
and 3.29[*] both installs cleanly on Raspbian Lite on Raspberry Pi 3, using the standard recipe:
(Let us hope the installation nightmares of May, June and July...are truly now over ;-)
[*] Calibre 3.29's .deb packages were released earlier today @
http://raspbian.raspberrypi.org/rasp...ain/c/calibre/ and
http://archive.raspbian.org/raspbian...ain/c/calibre/