In this episode I catch up with Rob Fitzpatrick (@robfitz) about his new book, Write Useful Books. We'll talk about how he approaches book-writing like product development and why the sales graphs for his books look more like a hockey stick instead of shark fin. 

• Follow Rob on Twitter: https://twitter.com/robfitz
• Read The Mom Test: http://momtestbook.com/
• Read Write Useful Books: https://writeusefulbooks.com/