Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Not a great buy if you have bought Author's other books.

I was expecting little detailed explanation regarding home financing, but the book simply dispensed advised 'buy my other book' -'Mortgage for dummies'Many of the information given in this book have practically same content as other books from same authors namely 'Personal finance for dummies' 'Small businesses for dummies'. I am _not_ going to pay for 'Mortgage for dummies' to get one more printed table of 'tax brackets' in USA.No new information here - plain advice that your parents would give you for free!This book reading