Sapphire Guardian is an international publishing company, was founded in 2014 by the award winning author and director, professional book formatter and graphic artist, Istvan Szabo, Ifj.

In the past few years Sapphire Guardian [SGDN] distributed books on 6 continents, in 65 countries, and was responsible for the formatting of over 900 independent and traditional books for clients in over 57 countries.