Books are becoming less and less popular, they are being converted to digital format, and in the near future large libraries will cease to exist, where volumes and hardcover volumes are gathering dust on numerous shelves. Well, until this happens, we invite you to our unusual library in the game Spot The difference Bookshelves. And not in order to read books, but in order to test your observation and attentiveness. Our shelves with books are almost the same, but there are differences among them that you should find.
