内容简介
JackandAnnie'ssummervacationisnodayatthebeach!Thebestselling,fan-favoritechapter-bookseriescelebratesthesummersolstice!Inthepaperbackeditionofthe31stMagicTreeHouseadventure,JackandAnnieareonaquesttoaseasidelandofmysteryandmyth,wheretheymustovercometheirfearsandsolveanancientriddle.MagicTreeHousebooksareNewYorkTimesbestsellers.Theyareknownallaroundtheworldasbooksthatinspirereading.FindoutwhywithSummeroftheSeaSerpent!