Usage: calibre [opts] [path_to_ebook] Launch the main calibre Graphical User Interface and optionally add the ebook at path_to_ebook to the database. Whenever you pass arguments to calibre that have spaces in them, enclose the arguments in quotation marks. Options: --version show program's version number and exit -h, --help show this help message and exit --redirect-console-output Redirect console output to a dialog window (both stdout and stderr). Useful on windows where GUI apps do not have a output streams. --with-library=WITH_LIBRARY Use the library located at the specified path. -v, --verbose Log debugging information to console Created by Kovid Goyal