This is the student book that accompanies Technology of Machine tools, sixth Edition. This student must have been most disinterested, as there is not a mark on it. Top and bottom corners show that it has been thrumbed through. Three hole punched on the left hand side. Any picture found beside this listing may NOT actually be a picture of this book but a stock photo used by the listing site. 3 R's Used Books and Hannelore Headley Old & Fine Books, Inc. are committed to saving the trees one leaf at the time!