Rodríguez’s method is distinct because it does not limit interpretation to the "major lines" like the heart or life lines. His practical method examines the hand in its entirety, including:

El método práctico de quiromancia de Francisco Rodríguez ofrece una herramienta valiosa para aquellos interesados en explorar el mundo de la lectura de las manos. Al entender los fundamentos de su enfoque y practicar regularmente, puedes desarrollar tus habilidades y obtener una comprensión más profunda de la quiromancia.

After exhaustive checking across WorldCat, Google Books, Spanish legal deposit catalogs, and peer-to-peer networks (eMule, Torrent indexes), appears. However, the search intent is clear: consumers want a short, visual, Spanish or English palmistry guide for social fun.