Volume 39, Numbers 1 and 2, Winter and Spring 2018 (Special Issue) The Propeller Experiment Controller: Automation for the Comparative Analysis of Behavior in Research and Teaching Christopher A. Varnon, Converse College and Charles I. Abramson, Oklahoma State University Chapter One: Introduction Chapter Two: Technical Specifications of the Parallax Propeller Chapter Three: Programming the Propeller with Spin Chapter Four: Getting