Looking at the dense books placed on the bookcase in the chemical zone, which is more than two meters high and nearly ten meters long, Feng Yan said a little excitedly: "Ha, it seems that you don't know where to start, it's really interesting." Pen & Fun & Pavilion www.biquge.info"

Generally, when a large number of prompts appear, and you feel that you can't start, you will first observe the whole composed of these prompts, and after observing the whole, find some breakthroughs, and then further explore, which is Fengyan's observation rule.

After sweeping it all over, Feng Yan preliminarily wrote down the structure of this bookshelf, this bookcase has a total of 10 rows of books, each row is full of all kinds of chemistry books, the top of the cabinet is equipped with 10 small spotlights, about every meter apart there is one, the light is not strong, it should only be prepared for the bookcase to look brighter.

"Hmm...... At first glance, it doesn't seem like there is much useful information to extract...... The quality of the books is very good, and it's ...... It seems to be very thick. ”

Feng Yan smiled and looked at the appearance of all the books, and found a problem, all the books on the shelves are hard-sided packaging, and almost all of them are thick books, he deliberately looked at the bookcases in the non-chemical area behind him, and found that other bookcases are not like this, there are hard and soft sides, and most of them are soft, this is normal, the books in the library should be like this, where are so many hard-sided packaged books, and not all of them are dictionaries, which shows the abnormality of the books in the chemical area.

After noting down this anomaly, Feng Yan began to quickly observe the details of the row of books at his eye level, which is a very direct and normal way of observation, and it is also the book layer where the system is likely to place clues, why do you say that, taking the supermarket shelves as an example, the goods placed on the general shelves that are at the customer's eye level or at an angle of 45 ° up and down are all recommended commodities of the supermarket, that is, the goods with greater profits, referred to as the goods that the supermarket wants customers to buy.

Supermarkets put such goods in obvious places where it is easy for customers to observe, and put those goods that are not too profitable in a lower position, or even the top or bottom where they are not easy to be seen by customers, is not to want customers to buy these goods that are not too profitable.

Taking this as an example, bringing thinking into the library and bookcase is the same definition of thinking, and if the system gives a clue, it will definitely be given to the player's eye line parallel or in the field of view at an angle of 45° up and down.

Of course, this is a hard mode, and it stands to reason that it will not necessarily follow this conventional thinking, but because the overall time is only 5 minutes, it is very likely that the plot will not play according to the routine, and under the limited time limit, there is a high probability that it will be forced back to the normal plot rhythm.

Feng Yan was very sure of this, there was no trace of blindness, he concluded that the clue would be in the upper and lower 45° Library, so he directly chose the middle Library to start the search, without being affected by any confusion, thus wasting time.

Feng Yan is observed in the process of walking quickly from left to right, his goal is very clear, in the case of limited time but a lot of information, useful information must not be hidden in the place where the player needs to waste time, such as the situation at this time, the system may hide the hint in the book, but it is absolutely impossible for the player to check one by one, so many books, one by one 5 minutes is definitely not enough, similar prompts, must be in the appearance.

Feng Yan only looked at the top of the list of books at eye level with him, and immediately noticed that there was something wrong with one of them.

In this row of nearly ten meters long book cabinet, there are nearly a hundred books, these books are basically a layer of dust, no wonder, Anna just said that no one has come to the library for several years, and there is no cleaner in the library Feng Yan doesn't know before, but what he knows is that the person Anna is referring to must also include the cleaner, otherwise there will not be so much dust on the books, besides, even if there is a cleaner, he must have been killed by Anna's neurosis.

There was a slight empty space at the top of these books and the book pavilion, and it was from this gap that Feng Yan saw that there was a missing trace of dust on the top of one of the books.

Feng Yan took out the book and looked at the appearance carefully, and said to himself: "The dust at the root of the page is the most missing, according to the habit of a normal person, when taking a book on a crowded bookshelf with this kind of book, you must use your index finger or middle finger or two fingers together to pick out the connecting root of the book, and cut out an oblique angle from above, and then it will be easier to take it out...... So...... It seems that this book has been taken out by the curator, that is, there is a book spirit in this book. ”

Feng Yan was very careful when he took out the book just now, he didn't use this way to pick up the book, but put his fingers into the gap between the book and the other two books, and then pulled out the book, in order not to destroy the dust-infested area above.

Combined with Anna's prompt just now, no one has come to this library for several years, and most of the books have fallen dust, but there are also very few, just like the dust in Feng Yan's hand at this time, the dust was destroyed, and it was obvious that someone had taken the books during this period, who took these books?

From Anna's complaints, it can be concluded that when the curator is idle, he will extract books with book spirits and let these book spirits come out to slip away, so that the book must be with a book spirit at this time.

In the absence of a floodlight cue, it is not difficult to find the spirit of the book in this way, but not everyone can observe it so carefully, especially when there is not much time.

"easy, then there must be a book spirit in this book in my hand, and the intention of the system is obvious, that is, I want to summon the book spirit, and the summoning of the book spirit requires a formula, and I don't know the formula, what should I do......"

Feng Yan tried to open the English chemistry book in his hand, thinking about whether the system would give him a hint like before, but this time the system did not give any hints or requirements, and two minutes had passed.

This book can be opened, open this English book, the content is very normal, Feng Yan understands English, but this is an English book on chemistry, he can't read a lot of rare words very clearly, plus the book is mixed with some molecular structures and the like, he can't understand it even more, but it doesn't matter, he didn't plan to read it carefully, just flipped through it at random, Feng Yan took the book in his hand, and his brain began to think quickly.

"So the hint is in trouble, after re-combing to the bookcase, what you get is that you haven't used the clues yet, or there are some strange settings."

After thinking about it like this, Feng Yan immediately thought of what puzzled him before, the books on the bookcase in the chemical area were all set up in hard-shell packaging.

"The books on the bookcase are all hard shells, what kind of benefits or results will this setting bring?"

Casting his gaze on the gap in front of him to pull out the books, he found that on the left and right sides, even up and down, as long as the books on this shelf were not only all hard-shell covers, but also a very small gap between each book, which made each book stand independently even if there was no left-right confrontation force generated by other books, Feng Yan quickly reacted.