Instruct: Classify Amazon reviews into positive or negative sentiment
Query: An instant Classic!!!

Not many books find their way to my prestigious "I'll read you in another five years" shelf. But Tigana easily qualified for that honor. In fact, Tigana stands alone on my newly inaugurated "Amazing book I'll have to read again and again" shelf. I wouldn't want to tell you what this book is about, for I don't want to spoil for any prospective reader. Let me just say that once you have read Tigana, you will hardly be able to recall a time when you didn't know its story