Authors: Dan Roam

  • Unfolding the Napkin The Hands-on Method for Solving Complex Problems with Simple Pictures — Dan Roam

    Unfolding the Napkin The Hands-on Method for Solving Complex Problems with Simple Pictures — Dan Roam

  • The Back of the Napkin (Expanded Edition) Solving Problems and Selling Ideas with Pictures — Dan Roam

    The Back of the Napkin (Expanded Edition) Solving Problems and Selling Ideas with Pictures — Dan Roam