XpsSaveOptions.useBookFoldPrintingSettings property. Gets or sets a boolean value indicating whether the document should be saved using a booklet printing layout, if it is specified via [PageSetup.multiplePages](../../../aspose.words/pagesetup/multiplePages/)....how to save a document to the XPS format in the form of a book...method converts the document to .XPS. let xpsOptions = new aw . Saving...