DITA publish in PDF Booktitle

Hello everybody, 

I'm working on my first DITA publish into PDF. I set up all templates to insert the xml text into the layout I want. 

The current problem is the Book Title Page. In the settings.sts options I choose to "Generate Book Title Page". It prints the page, but only the Master Page of that template -> How can I insert my Book Title, Subtiltle and Footer onto that Book Title Page?

Thanks a lot, 

Hannah