Provided by: calibre_2.55.0+dfsg-1ubuntu0.2_all 
NAME
ebook-viewer - view ebook
USAGE
ebook-viewer [options] file
DESCRIPTION
View an ebook.
Whenever you pass arguments to ebook-viewer that have spaces in them, enclose the arguments in quotation
marks.
MAIN OPTIONS
--version
show program´s version number and exit
-h, --help
show this help message and exit
AUTHOR
Created by Kovid Goyal <kovid@kovidgoyal.net> 12 April 2018 ebook-viewer(1)