Deak is an author, mosaic artist, and photographer living near Palm Springs in California's Coachella Valley.
Eyes of the Stag: A story of betrayal, consequence, and redemption (2011), chronicles a middle-aged man's journey to recovery from the severe abuse he suffered as a child.
Calaf and Ishmael: A Tale of Turandot (2017) is an epic novel of love, vengeance, and betrayal in the third century CE Roman, Persian (modern day Iran), and Kushan (modern day Pakistan) Empires.
In 2009 Deak edited and published the Writings of Eleanor Frothingham Haworth. A college friend of Hull House founder and Nobel Peace Prize honoree Jane Addams, Haworth was a missionary and educator in Japan during the late 19th and early 20th centuries.
A avid collector of vintage photographs, Deak published Best Friend: Men and Boys and Their Canine Companions (2009) and Vintage Male Photographs in three volumes (2007).
Deak studies with mosaic artist Gina Dominguez.