Bloom.Book.Page.FixPageId C# (CSharp) Method

        private string FixPageId(string id)
        {
            //Note: there were 4 other xmatter pages with teh same problem, but I'm only fixing
            //the cover page one a the moment. We've solved the larger problem for new books (or those
            //with rebuilt front matter).
            const string guidMistakenlyUsedForEveryCoverPage = "74731b2d-18b0-420f-ac96-6de20f659810";
            if (id == guidMistakenlyUsedForEveryCoverPage)
            {
                return Guid.NewGuid().ToString();
            }
            return id;
        }