Wondrous item, common (requires attunement)
Usually, this unassuming book looks as the crisp and official. However its cover is covered with plain white, aside from the question mark. But inside of it, the pages all are blank until it has been opened by the attuned creature. While it is open, all the details regarding of your immediate surroundings begin to be appearing in a neat handwriting. By utilizing an action, you may be consult this book to gain many advantages upon the perception checks. Suppose, if this benefit could causes you to pass the check then you would otherwise have failed, probably you might not be use this specific item again until unless after completion of short rest.