Ahern, Cecelia, 1981- PS, I love you / Cecelia Ahern. - London : HarperCollins, 2007. - 375 p. ; 20 cm. ISBN: 9780007882151 (pbk.) Subjects--Topical Terms: Loss (Psychology)--Fiction.Widows--Fiction. Dewey Class. No.: 823.92 / AHE 2007