The Xerox Book It! Productivity App for books maximizes your productivity and minimizes your costs, by providing a set of tools and resources to automate the prepress work associated with creating digital books on demand. Book It! Productivity Apps require FreeFlow Process Manager® version 9.0 (or later) (purchased separately) and are designed to be used with the Xerox Nuvera™, Xerox iGen™ 150 and Xerox 650/1300™ Continuous Feed Printers.