she is the author of the gatekeepers saga : the gatekeepers sons ( august 2012 ) , the gatekeepers challenge ( december 2012 ) , the gatekeepers daughter ( may 2013 ) , the gatekeepers house ( november 1 , 2013 ) , the gatekeepers secret ( april 1 , 2014 ) , and the gatekeepers promise ( october 1 , 2014 ) .