Jon Manning is the co-founder of Secret Lab, an independent game development studio based in Hobart, Tasmania, Australia. He's worked on apps of all sorts, ranging from iPad games for children to instant messenging clients. He's a Core Animation demigod, and frequently finds himself gesticulating wildly in front of classes full of eager-to-learn iOS developers. Jon is the world's biggest Horse_ebooks fan (https: //twitter.com/Horse_ebooks), and can be found on Twitter as @desplesda.