Spread disease?

Game app for iOS shows how it happens!

http://www.itechpost.com/articles/8353/20130425/best-paid-iphone-apps-2013-plague-ios-game.htm

Find more sketches from scratches:  http://Woohs.blogspot.com   

Consider book offer by author "Wuh Lax and the Cosmic Lantern"

http://www.amazon.co.uk/gp/offer-listing/0977299325