ALTO MARE series n ° 4, Reggio Emilia, Mavida, 1992, 4°, pp. 12, with an original etching by Franco Rognoni numbered and signed in pencil by the artist, full page, br. Edition of 83 numbered copies printed in memory of Romano Bilenchi. The tale was part of the volume The inventor of the horse, published in Rome in 1927.