If you want to become an iOS developer, you have made an excellent choice with this book. Swift holds a significant position in the iOS industry because of the long list of features it serves.
When it comes to designing and prototyping for the web, nothing beats Sketch. If you are passionate about designing UI/UX for mobile or web applications, Sketch is the way to go! And to learn Sketch, look no further than Mastering Sketch - The Beginner's Guides.
The book is a detailed guide that will help developers and coders do more with Bootstrap. It talks about the basics in brief, and then moves on to more advanced and detailed exercises to help readers quickly gain the required knowledge.