内容简介
TheAldenshelpoutataminorleaguestadiumandinvestigatewhenitappearssomeoneintheballparkisstealingthehometeampitcher'ssignalsandrelayingthemtothebattersoftheotherteam.
作者简介
GertrudeChandlerWarnerwasborninPutnam,Connecticut,onApril16,1890,toEdgarandJaneWarner.Herfamilyincludedasister,Frances,andabrother,John.Fromtheageoffive,shedreamedofbecominganauthor.ShewrotestoriesforherGrandfatherCarpenter,andeachChristmasshegavehimoneofthesestoriesasagift.Today,Ms.WarnerisbestrememberedastheauthorofTheBoxcarChildrenMysteries.RobertPappisanAlbertWhitmanauthor.