, ▁Mark ▁joins ▁Tre y ▁in ▁Among ▁the ▁Bra ve ▁to ▁rescue ▁Luke , ▁Mr . ▁Tal bot , ▁and ▁their ▁friends ▁after ▁they ▁are ▁captured ▁by ▁the ▁Population ▁Police . ▁ ▁He ▁subsequently ▁helps ▁the ▁Sh adow ▁Children ▁to ▁sub vert ▁the ▁Population ▁Police . ▁ ▁Matthew ▁Gar ner ▁ ▁One ▁of ▁the ▁brothers ▁of ▁Luke ▁Gar ner . ▁ ▁He ▁appears ▁in ▁Among ▁the ▁H idden ▁and ▁also ▁at ▁the ▁end ▁of ▁Among ▁the ▁Bar ons ▁when ▁Luke ▁brings ▁Sm its ▁Grant ▁home ▁to ▁Luke ' s ▁parents ' ▁home ▁to ▁hide . ▁He ▁also ▁appeared ▁in ▁Among ▁the ▁Bra ve ▁when ▁he ▁was ▁telling ▁his ▁brother ▁Mark ▁to ▁go ▁to ▁bed . ▁ ▁Ed na ▁and ▁Har lan ▁Gar ner ▁ ▁Luke ' s ▁parents ▁who ▁both ▁appeared ▁in ▁the ▁first ▁book ▁in ▁the ▁series ▁Among ▁the ▁H idden . ▁They ▁both ▁think ▁that ▁the ▁government ▁is ▁watching ▁their ▁every ▁move ; ▁and ▁is ▁tracking ▁them ▁down ▁by ▁their ▁computers ▁and ▁television . ▁Ed na ▁hasn ' t ▁mentioned ▁Luke ▁to ▁anybody ▁in ▁letters ▁( not ▁even ▁inside ▁the ▁family ), ▁because ▁she ' s ▁sc ared ▁the ▁government ▁might ▁read ▁it . ▁They ' re ▁both ▁very ▁protect ive ▁with ▁Luke , ▁but ▁Luke ▁knows ▁that ▁they ▁are ▁just ▁doing ▁it ▁because ▁they ▁love ▁him ▁and ▁want ▁to ▁protect ▁him ▁from ▁the ▁Population ▁Police . ▁ ▁Jo el ▁West ing ▁and ▁John ▁Abb ott ▁ ▁Stud ents ▁at ▁Hend r icks ▁School ▁for ▁Boys , ▁they ▁are ▁two ▁of