Roadmaps is a series of writings and exercises that are intended as a self study guide to system dynamics. They have been developed by MIT undergraduates working under the direction of Jay W. Forrester. The material is available for free from the MIT system dynamics in education web site (http://sysdyn.clexchange.org) and can also be purchased for a nominal charge from the Creative Learning Exchange (contact information below). Some of the mechanical activities in Roadmaps are not applicable to Vensim PLE but most of the conceptual content is relevant.