This is a function of MarkStein Publisher Workgroup Edition.
With this function in MarkStein Publisher Workgroup Edition, you can
• group multiple documents for simultaneous export and adjust the pagination of the documents to their order in the book
• divide a publication into editorial blocks that can be edited separately, e.g. the individual chapters of a book, or the columns of a magazine
• create a shared table of contents or register for documents grouped together in a book.
A detailed description for working with the book function can be found in the Creating a book file chapter.