When you select text in the viewer, a little popup bar appears next to theselection. You can enterthese numbers in the Go to function to navigate to a particularreference location. You can use this number to unambiguously refer to parts of the books whendiscussing it with friends or referring to it in other works. Onceyou do this, every paragraph will have a unique number displayed at the start,made up of the section and paragraph numbers. You can turn it onby clicking the Reference mode button in the viewer controls. Reference mode ¶Ĭalibre also has a very handy Reference mode. If you click on links inside the e-book to take you to different parts of thebook, such as an endnote, you can use the Back and Forward buttons in the top left corner of the viewer controls.These buttons behave just like those in a web browser. Clicking on this URL will open the book in the calibre E-book viewer atthe current location. There is a URL you can copy to the clipboard and paste into other programsor documents.

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