added reviews. Closes basarat#130

Author: Basarat Ali Syed

Diff for: README.md

@@ -3,7 +3,15 @@ TypeScript Deep Dive
 
 I've been looking at the issues that turn up commonly when people start using TypeScript. This is based on the lessons from [StackOverflow](http://stackoverflow.com/tags/typescript/topusers) / [DefinitelyTyped](https://github.com/DefinitelyTyped/) and general engagement with the [TypeScript community](https://github.com/TypeStrong/). You can [follow for updates](https://twitter.com/basarat) and [don't forget to ★ on Github](https://github.com/basarat/typescript-book) 🌹
 
-## Get Started 
+## Reviews
+
+* Thanks for the wonderful book. Learned a lot from it. ([link](https://www.gitbook.com/book/basarat/typescript/discussions/21#comment-1468279131934))
+* Its probably the Best TypeScript book out there. Good Job ([link](https://twitter.com/thelondonjs/status/756419561570852864))
+* Love how precise and clear the examples and explanations are! ([link](https://twitter.com/joe_mighty/status/758290957280346112))
+* For the low, low price of free, you get pages of pure awesomeness. Chock full of source code examples and clear, concise explanations, TypeScript Deep Dive will help you learn TypeScript development. ([link](https://www.nativescript.org/blog/details/free-book-typescript-deep-dive))
+
+
+## Get Started
 If you are here to read the book online [get started](http://basarat.gitbooks.io/typescript/content/docs/getting-started.html).
 
 ## Other Options