His novel Luna Caliente, a romantic thriller set in subtropical Corrientes during a heat wave, was adapted into film in 1985.

He worked as Assistant Director at Playboy Magazine Argentina until 1985, covered the historic Trial of the Juntas, and later became a regular contributor to Página/12.

[4] He won the 1993 Rómulo Gallegos Prize (Venezuela) for his novel Santo Oficio de la Memoria.

He served in the advisory councils of both the Ministry of Education's Reading Promotion Plan (from 2004) and Transparency International (2005-08).

[5] Giardinelli relocated to his native Resistencia in 1995, where he established a foundation in his name in 1996 with 10,000 volumes donated from his personal library.