'Stronghold of Light' is the third and final book of the 'System of Light' trilogy. An interesting combination of Science fiction and Fantasy it will interest readers of varying ages who enjoy a dynamic and creative story. Taking this new world further into the discovery of its origins, whilst faced with ongoing threats from diabolical challengers of another planetary system, the inhabitants rise to protect their home System, the System of Light. The arrival of one individual changes their destiny making it an entrancing and interesting fantasy. The incredible Stones of Torain play a vital role in offering more and more pieces of their history. The mystery of the island off the shores of the mainland is destined to be uncovered exposing the unscrupulous nature of one condemned traitor. The presence of an eye in the stone of the traitor's ring opens a new and frightening look at the powers of an evil force which has affected so much of their lives. Combining their strengths with that of the Galactic Space Force gives an opportunity none would ever have expected.