Prototyping: A Practitioner’s Guide by Todd Zaki Warfel June 5, 2017 / kaynewman / Prototype Resources Prototyping: A Practitioner’s Guide by Todd Zaki Warfel Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to print (Opens in new window) book