I have a very special friend who has a shoes factory at his house so when I visited Periplus two days ago, I thought of giving him this book for his Christmas gift. I couldn't believe how cheap a book like this was, but it was end year sale, so I couldn't waste time to buy and give it to the lucky guy. It just feels so good to give something to someone. And I dunno why I love buying books so much. Lol.