Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: It is the BEST for sure

I downloaded all free online chapters of 13 books about c#. After reading a chapter or more of each. I've made my choice to this book because it is pedagogic and has a good teaching methods. This book nearly covers everything about c# and answerd all my questions related to c# on .NET Framework.I read that this book is not for beginners but I think it is undeniable for beginners. I recomand it for all level.