Instruct: Classify Amazon reviews into positive or negative sentiment
Query: You know you want this book

If you're the kind of person who has ever picked this book up, you covet it. You know you do.I've had this book for a year or two and can still wile away hours just flipping through. The illustrations are beautiful and if you don't find it here (and you're in Yosemite), you've probably misidentified it. Includes most invasive species even.That said, if you're not an amateur botanist, you'll be sorely challenged to find much of anything in here. It is arranged taxonomically, so you can't look up flowers by things like color. If you can't use the dichotomous key, you'll end up doing a LOT of searching and often not a lot of finding. Often, if you can't get beyond whether or not the plant has superior or inferior ovaries, you literally hardly narrow the choices down at all.Oh by the way, this book is probably at least 5 pounds and won't even fit in the average day pack. This is by no means a field guide!