http://lostinasupermarket.com/.../popville-like-simcity.../
Book: "Making Mechanical Cards: 25 Paper-Engineered Designs"
http://www.amazon.com/Making.../dp/1861086350/ref=pd_sim_b_4
Book: "Papertoy Monsters: Make Your Very Own Amazing Papertoys!"
http://www.amazon.com/Papert.../dp/0761158820/ref=pd_sim_b_5
