HACKS, Héctor. Libro Negro. Tratado de ciencias ocultas. La varita adivinatoria. Secretos maravillosos. Alquimia. Astrología. Antiguo Grimorio producido por el Dr. Héctor Hacks del grupo esotérico "Hermes" de París. Barcelona: Librería Pons (La neotipia). 15.5x 10,5 cm. 125 p. Limited edition of 100 copies. Half-title page. Reproduction of the frontispiece of the 5th Spanish edition, by Manuel Saurí, from Barcelona, in 1866. Title page with imprint crossed out with ballpoint pen (see photo). The engravings interspersed in the text are reproductions of those that appeared in the first Paris edition, in 1830. No date in the imprint and no colophon. Bound in cardboard lined in black and with a label superimposed with the title in red. Rare Spanish edition of this classic manual of witchcraft and black magic