Originally Posted by DuckieTigger
10 of your own plus all the other ones that are there is the limit. You see the top part of line spacing and margin and can still press them. If you have an embedded font, it will add one more and you can't press the buttons.
But there is a work around that. You just go out of the book to a book without the publisher font option and change the line and margin settings then go back into your book.
I can live with that work around if it means I can have more fonts.