Create your book by going into Publish, Books, Genealogy Book, then Create book.
There will be three column across the page. At the top of left the column will be the name of the book you have create, the middle page will by the raw title page. This is in a word processor and you can put what you want and format as you like.
In the left column right click on the window background and select "Add Book Item"
In the popup menu select "Other""Smart Story. (Text Item)" then click "OK" at the bottom of the right window.
This will close the popup window and give you a blank word processor page in the middle column. This works like any word processor, including Ctrl c (copy), Ctrl v (paste), and Ctrl z (undelete)You can now enter what ever text you like in the word processor.Once you save and close it, the text will be part of your book.
There is one thing that you did not asked, but if you are not aware of it, you can change the name of any book item. Highlight the Book Item in the left column, and right click.Select "Book Item Properties" and you are given several options including the ability to change the Item name.