6 1 50 Lexie Xu Primary Author mixed material 9786020312934 Jakarta Gramedia Pustaka Utama 2010 photo_6269129480551384862_y.jpg.jpg target terakhir Additional Author Lexie Xu Additional Author mixed material 9786020318776 Jakarta Gramedia Pustaka Utama 2015 misteri organisasi rahasia the judges Additional Author Lexie Xu Additional Author mixed material 9789792298222 Jakarta Gramedia Pustaka Utama 2013 Malam Karnaval Berdarah Additional Author Lexie Xu Additional Author mixed material Jakarta Gramedia 2014 sang pengkhianat Additional Author Lexie Xu Additional Author mixed material 9786020309002 Jakarta Gramedia Pustaka Utama 2014 Kutukan hantu opera Additional Author Lexie Xu Additional Author mixed material 31201140036 Jakarta GPU 2018