A L thatatlan Ember

"A láthatatlan ember" is a novel by the Hungarian writer Géza Gárdonyi, published in 1901. In the opinion of some people, including Gárdonyi himself, it is his best work. The narrator and hero of the novel is a young Byzantine freedman of Priscus nicknamed Zeta who travels with him to Attila. He falls in love with Emmo, the daughter of a Hunnish nobleman. He commits himself to slavery among the Huns in the hope of eventually marrying her, to some extent going native among them.