(turn) pirated books are divided into two main types according to the printing quality:

1. Low-end pirated books. The overall printing quality is poor and easy to distinguish. It is manifested in the following aspects: poor paper (thin paper, yellow and gray), uneven ink color, hue deviation, inaccurate overprint, blurred image, tape marks or imposition marks on the edges of pictures and texts, uneven cutting of finished products, poor binding quality (many quality problems such as missing lines and wrong pages), and many text and punctuation errors (some typos can reach more than ten yards).

2. High-end pirated books. The overall printing quality is high, which is not much different from the original book and difficult to distinguish. The paper is better, the ink color is more uniform, the hue is better, the overprint is more accurate, the image level is clearer, the finished product is cut more square, the binding quality is better, and there are fewer text errors.

Generally speaking, low-end pirated books are printed by small printing houses or underground printing houses with low-end equipment, and some small pirated booksellers operate in a piecemeal and guerrilla way. High-end pirated books are printed by powerful large-scale pirated booksellers using high-end equipment, and some even use imported equipment.

It can be said that the current pirated books are mainly low-end pirated books, and this situation will continue for quite some time, but we should also see a small number of high-end pirated books. Therefore, we cannot simply think that "pirated books are not the ones with good printing quality, but the ones with poor printing quality", nor can we blindly think that "pirated books must be cheaper than genuine books".

The most accurate way to distinguish pirated books is to compare them with genuine books published by publishers with the same paper, printing and content, and also to check the copyright page of books (the copyright page of genuine books must include the cataloging data of books in publication, the name and address of publishing unit, the format and version of books, etc.). ), the international standard book number and bar code mark are complete and clear, and if necessary, consult the publisher of genuine books. Of course, if there is an anti-counterfeiting mark, it is still not difficult to distinguish.

First, quality:

1. Check the appearance of the book. Specifically: the cover of the first trial. Compared with genuine books, the cover of pirated books is often incorrect in color, or dull and listless, or gorgeous and enchanting, and the color matching is often mixed. As long as they are often compared, it is not difficult to tell the difference between them. Second, look at binding. According to the practice in the publishing industry, a genuine book with more than 200 pages should be bound with lock thread, plastic thread or wireless instead of iron wire. However, due to the limitation of printing and binding equipment or cost reduction, pirates still use wire binding for pirated books with more than 300 pages and 400 pages. Look at the printing house. Each publishing house has several fixed printing users, and each printing house has its own characteristics in paper, ink and printing. If you pay attention to this at ordinary times, it will help to identify pirated books. Fourth, look at the paper. Books should be printed on both sides. If the paper is too thin, it will easily mix with ink, resulting in illegible handwriting. Therefore, except for dictionaries, the original book paper is 52 grams and above. Once you meet a book with thin paper and the handwriting on the other side is exposed, you must be careful.

2. Review the text of this book. There are three manifestations of pirated books in the text: first, there are many typos, typos, words, derivatives and sick sentences; Second, typesetting is often irregular, sparse or dense, and the vision is blunt; The third one looks like a copy. Some pirated books are copied according to the original book without separate typesetting, which can avoid typographical errors and ugly typesetting, but there are many ink spots on the paper, and the handwriting is often swollen, which looks like a copy drilled from the copier. In fact, no matter how fake, there is always a distance between pirated books and genuine books. So it's best to shop around for books.

3. Pay attention to book publishing information. Such as publishing house, ISBN, edition, etc. The reason why I dare to conclude that the book "Notes on Mountain Residence" I have read is pirated is not limited to many typos. Yu's Notes on Mountain Living originated from Harvest in Shanghai, and his articles such as Shame in Shaanxi have been included in the selected books such as Fragments of Civilization (Spring Breeze Literature and Art Publishing House Edition) and Yu Qiu Prose (Zhejiang Literature and Art Publishing House Edition). Yu refused to collect and publish Notes on Chinese mainland Mountain Residence for fear that readers would pay too much attention (the book was published vertically in traditional Chinese characters on Taiwan Province Island on 1995).

Second, the price: genuine books are uniformly priced by the relevant departments, so the purchase discount of genuine booksellers is relatively high, and the purchase discount is similar. Therefore, buyers must shop around for books in online bookstores. For some books with ultra-low prices, you must ask clearly before buying.

Third, it is best to choose some online bookstores with relatively large scale and good credit to buy genuine books, because these sellers generally have more legitimate purchase channels. If you are not sure ... >>

How to tell whether a book is genuine or not?

1. The first thing to distinguish between genuine and pirated books is whether there is an anti-counterfeiting mark, which is very common in genuine books.

2. Then the sea touches the edge of the paper, and pirated books require simple workmanship, often with uneven edges.

3. Then turn it over and listen. The sound of genuine books is music (that is, there is no noise), while pirated books are often very noisy. If "hiss" is used to express music, then the sound of pirated books is "hiss, hiss, hiss, hiss, hiss, hiss, hiss, hiss, hiss, hiss".

4. smell it again. Generally, pirated books often use inferior or even counterfeit ink in order to make their works cheap. These inks often contain too much lead, which makes people stupid! These inks have a strong smell. If you smell an odor, it is probably inferior or even fake ink! Don't smell it for too long! )

If you can't smell it, touch it. Wipe the words with your fingers 3-5 times. If there is discoloration, it is likely to be inferior or even fake ink.

How to identify whether a book is genuine or not?

Hello.

There are many ways to identify pirated books. Generally speaking, it can be seen from the following aspects.

Look at the paper. The paper used for pirated books is very thin in your hand, usually yellow-gray and has poor elasticity. Tearing a small hole, you can find that the fracture is smooth, while the paper for genuine books is thick and white, with high wood pulp content, and you can find that the fracture is not smooth and there are trace fibers.

Second, reading printed pirated books is usually vague or even weak; There are often traces of tape, scissors or other imposition, and graphics often bend; Pirated books are usually not revised, so all kinds of traces produced in the process of plate making are obvious; Pirated books have uneven ink color, no gap between thick strokes and light strokes, and look like a ghost.

Look at the content There are many mistakes in words, sentences and punctuation marks in pirated books, and some typos can reach more than ten on a page (the typo rate of genuine books is generally not more than one in ten thousand).

How to query the authenticity of books and CIP query methods

Inquiries about CIP can be found on the website of the General Administration of Press and Publication or the official website China Map Library. General Administration of Press and Publication → Service → Convenience Inquiry → News and Publication Product Inquiry → Verification →CIP data check number → Input year, six-digit check number and verification code for inquiry. The starting year of this query data is from September 20, 2009 to September 3, 2009. If it is not available, there is another query entry.

In addition, there is an inquiry entrance on the right side of the home page of official website in China Map Library. -The Gulu cultural media publishes books.

How to judge whether a book is original or not, and how to inquire whether the purchased book is genuine or not.

Bertelsmann was accused of selling pirated CDs, but all the books it sold were genuine.

As for the book "Five-Star Hotel" you mentioned! Because the paper in the publishing house is not very good, this book seems to be pirated. But it's definitely a genuine book. You can go to Xinhua Bookstore or some large bookstores. It's all like that.

How to judge whether a book is pirated?

Visual cover

Look at the cover first, which can be observed from the aspects of color, clarity, quality of cover paper, book binding and so on. Specifically, pirated books generally have bright cover colors and muddy handwriting. The cover paper is thin and the offset glue overflows. Hardcover books may lack a plug cloth (plug cloth: silk cotton strip cloth with a tightly woven ridge at one end). Stick it on both ends of the spine to protect the spine incision and increase the aesthetic feeling of the book. ) or without front and rear ring linings.

See if there is a bar code and pricing on the back cover. If there is no barcode, it must be a pirated book. (See below for special circumstances)

Audit text

Of course, as we all know, you can turn over a page and read a paragraph carefully. If you find many others, you can basically judge that the book in your hand is pirated. This is the method that most people are using to identify pirated books, and it is also the most intuitive method.

There are actually many aspects. For example, whether the font size of chapter titles is uniform, whether the handwriting is clear, and whether the book block paper is suspiciously thin (except dictionaries and art books, the writing paper used for book blocks is about 55 grams). There are also some photocopied pirated books. Although there are no other characters, it is inevitable that the typesetting density is inconsistent or the distance between the head and the foot is not uniform.

Look at the copyright page carefully

The copyright page is usually on the back of the title page, or at the end of the text, with CIP data printed on it. It is relatively simple to check whether the ISBN on the sea power page is consistent with the one above the back cover barcode, and the inconsistency is generally piracy. There are also inferior pirated books with no copyright pages at all. Exclude the case that the copyright page of a set of books is divided into several volumes, and the barcode is in the first volume or the last volume, but at this time the set of books must have the same title and ISBN.

gather experience

The accumulated experience here refers to the experience about copyright. Many pirated books embezzle the names of remote publishing houses such as Inner Mongolia Publishing House and Westerner Publishing House, making it difficult to transmit remote information. In fact, these publishing houses generally only publish books translated from Chinese into minority languages, and the total categories of books published are very limited because of the relatively backward culture. Be extra careful when you see the famous books, proverbs and quips of these publishing houses.

Pirated booksellers don't know much about copyright information, and pirated books often use the names of several publishers. There is also a whole set of books with different titles using the same book number. These books are illegal, if not pirated.

People who often buy books had better order a newspaper, such as Wen Hui Reading Weekly. Reading newspapers often can not only help you learn about new books, but also some copyright information. So you won't feel that the Chinese version of Harry Potter you bought is genuine before it is introduced. Naturally, you can also go to some cultural networks to get information. I personally recommend Shisan Culture Communication Network.

Buy books through formal channels

You can rest assured that you can buy books in private bookstores such as Xinhua Bookstore, Bookstore or Thinking Music Bookstore.

Some publishers have also taken some anti-piracy measures, such as laser anti-counterfeiting marking, book title embossing, title page watermarking, sandwich color pages and so on.

That's all. I'll add it later. If you have any personal experience, remember to share it with everyone! cache.baidu/...=baidu

How to test whether the book is authentic?

Look at paper. The quality of pirated paper is poor, some have many mistakes, and some pages are damaged. Now some expensive books have anti-counterfeiting marks, and you can scan the QR code.

How to query the authenticity of books and CIP query methods

You can take a look at this. jingyan.baidu/... 1

How to see if it is a genuine book?

A, look at the paper: the genuine version uses light offset paper, which is light in weight; Non-genuine paper will use ordinary paper to save costs: writing paper or offset paper! Identification method: find a book with about the same number of pages, weigh it with your left and right hands, and you will obviously feel that the original is lighter! For version A, we can only read its papers. B folio: There is an item on the copyright page of the book (such as 640 * 960 mm116), where16 means folio. The genuine one is 16. The non-genuine one may be 32, which is a little shorter than the genuine one. C. price comparison: the price of genuine books is higher. In order to attract Taobao friends, I sold some books at the purchase price (5-6 fold). Below this price, it is ok. If the seller sells the A version of the book as genuine, I have no choice but to compare it with some genuine books after you receive the book.