Instruct: Classify Amazon reviews into positive or negative sentiment
Query: OUTSTANDING!

This is the best computer book I have ever read. This book is necessary for someone who wants to be a powerful spreadsheet user. Walkenbach's writing is very interesting (unlike most computer book authors who write in a way targeting nerd audiences only). I would recommend reading the book cover to cover, but you can ignore some of his examples (especiallly those regarding manipulating text).You will enjoy this book and you will be impresssed at how powerfull Excel is.