Instruct: Classify a review into positive or negative sentiment.
Query: first hand knowledge: the authors know there stuff

I am a customer of Broadway Trading (Friedfertig's brokerage firm) and have taken the course offered through Tradersedge.net (West's firm). I got my start by reading this book and I can tell you first hand these two know their stuff. I witness on a daily basis hundreds of individuals including myself make money using the information introduced in this book. Friedfertig and West are not only two very succesful traders who have and do make great livings trading but have taught hundreds to do the same. The majority of their customers make money, with many of the best making millions a fact never mention or bragged about anywhere. (read their second book Electronic Day Traders Secrets', a book of interviews with their best traders). Anyone who disliked this book falls into one of two categories not serious about day trading for a living or just out to slander a competitor. Don't be misled, this book is well worth the read.