The Mystery Boys and the Inca Gold

Sinopsis del libro

I.A DEAD LETTER COMES TO LIFE II.THE MYSTERY BOYS ADD A MEMBER III.GOLD, AND A LIFE AT STAKE IV."QUIPU BILL" V.THE CHUMS PROVE THEIR METTLE VI.A NEW MYSTERY DEVELOPS VII.CLIFF TRIES A RUSE VIII.THE OUTCOME IX.AMBUSHED! X.THE HIDDEN CITY XI."CHASCA, HAILLI!" XII.CLIFF FACES A PROBLEM XIII.THE GAMES XIV.GOLD, AND A…