What is avg price for the book by Scott Duff called M14 owners guide-match conditioning instructions? Trying to find best place to get one or someone who will sell me theres or trade for one. Cheapest i can fid it is 20.00. one place is 3.00 and other is 7.0 on shipping. So 23.00 is not bad. Is this book thick? Hope its not thin,lol. Not seen one i don't think.