The Libro de Alexandre is a great epic poem which consists of 10700 lines and was supposedly written in the first third of the thirteenth century. This poem is not an ordinary biography of Alexander the Great, because the story is interrupted by many, diverse and various episodes like that of the Troyan war which took place about 1200 years B.C. according to the historians, and those of the Old Testament. Alexander the Great is a personage of the fourth century B.C. and this poem is written in the thirteenth century of A.D. So in this work by unknown auther, perhaps a cleric, mixture of ages is seen everywhere and that is the most remarkable characteristic of this epic poem. This work is written in the erudite form of cuaderna vía (four-fol...