Digital Hosting: MADCAD. The e-version of EDAC Study Guides 1, 2, & 3 are available through MADCAD.com, a cloud-based reference library. Study Guides are produced by The Center for Health Design and should be used to help you prepare for the EDAC exam and can serve as reference material when you begin to apply the evidence-based design process into your projects. Subscribe to all three electronic copies of the study guides for a bundled discount at $275 or individually at $96. For continued access, your subscription will have to be renewed every three years (access to new editions are included). Students, Affiliates, and Advocate Firms, please contact email@example.com for additional member discount on the study guides.