Jacco van der Kooij: The SaaS Sales Method for Account Executives; How to Win Customers
Another great book from Winning by Design about Account Executive life in SaaS world.
Brent Adamson, Matthew Dixon, Pat Spenner, Nick Toman: The Challenger Customer
How sales should work with customers in the world where consensus buying is based on 5.4 stakeholders are deciding. This is what the Challenger customer is all about.