Jon Manning is the cofounder of independent game development studio Secret Lab. He’s working on the critically acclaimed award-winning adventure game Night in the Woods, which includes his interactive dialogue system Yarn Spinner, and Button Squid, a top-down puzzler. He’s written a whole bunch of books for O’Reilly about iOS development and game development. Jon holds a PhD about jerks on the internet. He’s currently writing Practical AI with Swift for O’Reilly.