Thomas,thefatherof12-year-oldPaul,hasdisappearedwithoutatraceforayearnow.WhentheboyandhisbestfriendM[展开全部]
Thomas,thefatherof12-year-oldPaul,hasdisappearedwithoutatraceforayearnow.WhentheboyandhisbestfriendMaxspendthesummerholidaysontheSwabianAlb,thetwotrytoinvestigatethedisappearanceofPaul'sfather.Todothis,theywanttofindalegendarycavethatThomasstudied.Buthisnoteshavetobedecipheredfirst.Theyalsohavetodealwithwildan...[收起部分]