VATTIER (Pierre). L'Onirocrite Mussulman (sic), ou la doctrine et interprétation des songes selon les arabes, Par Gabdorrhachaman fils de Nasar. Paris: Louis Billaine, 1664. - In-12, 142 x 76 : (18 ff.), 240 pp. Red morocco, boards decorated with a triple gilt fillet in the middle, with interlaced gilt CC in the corners and gilt arms in the centre, spine ribbed and decorated with arms, gilt edges (period binding). Caillet, 11044. - Brunet, II, 1430. Rare first edition, the only one of this learned and curious work considered to be one of the best ancient books on the interpretation of dreams. It is dedicated to Louis XIV. It is a translation by the orientalist Pierre Vattier (1623-1667), adviser and physician to Gaston d'Orléans, of the Abrégé du discours sur l'interprétation des rêves by the Syrian author ʿAbd al-Raḥmân ibn Naṣr al-Šayzarī (11..-1193), a treatise in which the latter drew inspiration from great authors including the famous onirocrite Muḥammad Ibn Sīrīn (0654-0728). This is the first time that the principles of explanation that inspired the Arabs in their keys to dreams have been set out. A precious copy from the library of Pope Alexander VII (1599-1667), with his arms and cipher on the boards. It was later acquired by the famous collector Benedetto Maglione and then by the man of letters and occult sciences specialist René Philipon (1869-1936). This is undoubtedly one of the finest known copies of this work. Fine restorations to hinges and corners. Leaves browned. Provenance : Pope Alexander VII, with his arms on the boards. - Paolo Petrucci (1865, II, n° 125). - Benedetto Maglione (1894, I, no. 90). - René Philipon, with bookplate engraved by J. de Andraca in 1917. - Jean Marchand, known as Johannes Mercator, with bookplate (1943, I, no. 15, with reproduction).