As other said, Meyer's book is highly recommended.

Also, this talk would give you a very general overview of the new features of the language:

http://channel9.msdn.com/Events/GoingNative/2013/Opening-Key...

Another book that can be a refresh introduction would be:

http://www.amazon.com/Tour-C--Depth/dp/0321958314/ref=sr_1_1...