Free .... Free.... Free .... - Software Testing Books

 I did realize that many testers are still hesitant on testing books.So, here is the deal:

Feel free to download the books for free.
Book 1: A collection of tips software tester
Book 2: Win testing
Book 3: Boost your productivity
Book 4:To Improve tester-programmer relationship
Book 5: Mobile Testing 
Book 6: UI & UX Testing

I don't want to upload a zip file and let it lie unzipped for months together.
I am aware of the risk that some of you might download and not read it any time as it is free.
This post is for those who wished to buy but cannot afford it at this moment.