Forbidden Vampire's invoking book

Has somebody here know the gremorie, Mememto umbrarum?.

I’ve been searching this book a long ago, search it on dark weeb and every were, its has power and teach one everything to become a vampire and vampire’s magick, its also one of the cursed or damned book by vatican so that way they censored/forbidden it.

Im more intrested to studie the book and its magick formulas then become a vampire.