Matt Mathias is the Director of Teaching at Big Nerd Ranch and is also an iOS instructor. In a former life, he earned a PhD in sociology and taught at the college level. More recently, he works with Big Nerd Ranch’s talented authors and instructors to produce and teach the best programming texts and training possible. When he’s not working, Matt enjoys bikes, comics, and games of all kinds.

John Gallagher is a software engineer and instructor at Big Nerd Ranch. In addition to developing apps for clients, he has spent much of his career working with very small embedded systems and very large supercomputers. He greatly enjoys learning new programming languages and finding ways to use them together. Outside of work, John spends most of his free time with his wife and three daughters.

Through the authors' carefully constructed explanations and examples, you will develop an understanding of Swift grammar and the elements of effective Swift style. This book is written for Swift 3.0 and will also show you how to navigate Xcode 8 and get the most out of Apple's documentation.

Throughout the book, the authors share their insights into Swift to ensure that you understand the hows and whys of Swift and can put that understanding to use in different contexts.

After working through the book, you will have the knowledge and confidence to develop your own solutions to a wide range of programming challenges using Swift.