ginny blackstone thought that the biggest adventure of her life was behind her she spent last summer traveling around europe following the tasks her aunt peg laid out in a series of letters before she died when someone stole ginnys backpackand the last little blue envelope insideshe resigned herself to never knowing how it was supposed to endmonths later a mysterious boy contacts ginny from london saying hes found her bag finally ginny can finish what she started but instead of ending her journey the last letter starts a new adventureone filled with old friends new loves and onceinalifetime experiences ginny finds she must hold on to her wits and her heart this time there are no instructions