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

this summer when my friend and i visted prague, i bought this guidebook on a whim. it turned out to be the best guidebook of all the books we bought for our trip. all the resteraunts reccomended were FABULOUS. we did one of the walking tours in the book, which was amazing - it could be self-paced, you didnt have to pay for a guide or join one of the gigantic group tours and you got all the information.in all, one of my favorite features of the book was the street guide in the back. there is a listing of all the streets in prague with coordinates corresponding with a map. that way, if you get lost (and believe me, its easy, especially in old town!!) you can find out where you are and where you need to go very easily.i love this book, and am buying it for my brother who is visiting prague in january!