In the latest 'makersode' of The Spark File, Susan and Laura talk to the prolific writing duo Emma McLaughlin and Nicola Kraus, co-authors of The Nanny Diaries and so much more. With over 6 million copies of their 10 books in print in over 32 languages, Emma and Nicola share their tips and techniques for successful collaborative writing with a partner as well as how it feels to consciously uncouple when the work is done.