What Unity books are worth reading?

Question

Books

I'm interested in the following series of books:

• Unity in action. Multiplatform development in C#
  
• The Art of Scripting in Unity
  
• Optimizing games in Unity 5
  
• Unity 5.x. Artificial Intelligence Programming...
  
• Animation basics in Unity
  

How useful are these books? To what extent do they overlap?
If you have read any books from this set, please comment. How much have these books given you? Or does the official manual give a comprehensive guide?

Answer 1

Hello, I personally read the book -Unity in action. Multiplatform development in C# . A lot of useful information for a game developer. But a mathematical base is definitely required. Namely, knowledge - linear algebra