Click Yes when FrameMaker 7.0 displays an alert message asking if you want to add Chapter1.fm to the new book.
A book window appears showing the book’s contents, so far only Chapter1.fm (the file from which the book was created).

When you’re working in a book window, the menu bar contains only commands appropriate for books. For example, the File menus for a book and for a document contain somewhat different commands.
Main file menu when a book is the active file.

Note
On UNIX systems, the book menu bar appears as part of the book window. In Windows and on the Mac OS, the menu bar remains at the top of the application window.