Besides singer, Gabriel is a writer in 2001 and released the autobiographical book" Diary" Nocturne, four years later launched" A Boy Called Rorbeto", which won the Jabuti Award best children's book of the year next. In 2008 released the book" My Little Rubro-Negro" and a year later launched a special version of the same book titled" My Little Crimson-Black - Special Edition Hexa".