Swift

Pro Swift by Paul Hudson

Pro Swift is powerful book for who wanna learn deeper things of Swift. It contains many concepts like functional programming, error handling, lesser known types, etc.
Amazing! Very engaging content and clear explanations.
Pro Swift is a book that teaches more Swift concept.
Pro Swift shines through other Swift books, focusing on the less-talked,less-used but essential parts of Swift.
Easy to understand. Some parts felt like they were skimmed over but overall it was well worth the read and easy to apply.

Advanced Swift: Updated for Swift 3 by Chris Eidhof, Ole Begemann, and Airspeed Velocity

Amazing book. Must Read for swift developers. Detailed explanation of swift concepts.
Lucid and clear. Instead of getting lost in the details the authors do a great job of communicating how to "think in swift".
Excellent book for anyone who wants to dive deeper into Swift.
Great guide through some of Swift's advanced concepts.
Very informative and engaging read. It has already started to impact the way in which i develop swift based systems and I would highly recommend it.

Excellent book and easy to reach Swift resource, runs through the majority and standard Swift api capabilities, but gives a little extra explanation that adds an extra perspective over the Swift book apple has.
The author explains the principles behind, and examples of how to use, the unique and powerful features of Swift.
I like it’s explanation of ideas and I think you will too.
It is a great book if you want to pickup swift from scratch, not so great if you really want to master it.

Lots of well written tips and tricks for idiomatic swift programming.
This is a really well written and structured book.
An introductory book to concepts from the Swift programming language, it thoroughly touches base in most of the important and useful topics for the language.
This book is written for the person who wants to write the best possible Swift code fully utilizing all the language's strengths.

This book is the only one I've been able to find that truly starts from the beginning.
Anyone who's REALLY looking to get into programming for the first time, should get this book.
This book can get you up and running from zero to a published app in MONTHS.
Program examples in this book are easy to work through and start you off gently and step by step. I highly recommend this book for beginners.
I found this book invaluable in learning Swift - it helped me understand the language in a short amount of time.

I've had this book for several months now, and it is very easy to read and understand.
I'm new to programming. This book is very helpful in understanding Swift.
By far the best introduction to the Swift programming language I have read so far.
Big Nerd Ranch Books always do a great job of explaining concepts in a practical way.
I am not a beginner in Swift language yet I found this book very helpful and thorough.
Excellent introduction to iOS app programming with Swift 3.

Beginning iPhone Development with Swift 3: Exploring the iOS SDK by Molly Maskrey, Kim Topley, David Mark, Fredrik Olsson, and JEFF LAMARCHE

Coming from a product manager's background with little knowledge of iphone Swift development -- this book has been a blessing.
As a technology outsider trying to learn more, this book was a great start for me!.
Very Impressive and useful.
As a beginner, I have been able to quickly build a "TO DO LIST APP" that functions rather nicely.
The amount of detail, thought and effort put forward in the book is apparently clear from the beginning through the end.

It gives an excellent comparison of Protocol-Oriented programming to Object-Oriented programming so the reader will understand the differences.
All the concepts that make Protocol Oriented Programming so powerful are clearly explained.
This book is an excellent introduction to working with protocols in Swift.
The author does go into great detail to introduce protocols, protocol exceptions, error checking and value vs reference types.