You don't know me, but I know about you.... Ican't make you live longer, I can't stop you fromhurting. But I can give you one wish, as someone didfor me.It's been months sinceDani Vanoy's older sister Cassie has been diagnosedas having a brain tumor. And now the treatmentsaren't helping. Dani is furious that she ispowerless to help her sister, and she can't even convinceher mother to take the girls on the trip toFlorida that Cassie has always longedfor.Then Cassie receives an anonymous letter andcheck. Dani knows she can never make Cassie well, butagainst all odds she dares to make Cassie's dreamcome true.From the Paperback edition.