void Start()
    {
        //Initialization
        CloneShelf();
        CloneBook();
        LoadBookCover();

        BackButton.onClick.AddListener(BackToCatalogue);
        DeleteButton.onClick.AddListener(() =>
        {
            for (int i = 0; i <= BookPageLength[CurrentBookIndex]; i++)
            {
                if (i < BookPageLength[CurrentBookIndex])
                {
                    ImageDownloader.DeleteFile(directoriesName[CurrentBookIndex], i);
                }
                else
                {
                    ImageDownloader.RemoveDirectory(directoriesName[CurrentBookIndex]);
                }
            }
        });
        SearchingLabel.onClick.AddListener(() => {
            SearchingPanel.gameObject.SetActive(true);
            BookShelfPanel.SetActive(false);
        });
    }