learn more about how tess and maggie fared in life through other characters in book two ( `` amanda '' ) , book three ( `` laura '' ) and book four ( `` the heirs '' ) of by the sea there are two options for continuing reading the series by the sea : go to your favorite ebook store and purchase a copy of book two , `` amanda '' or purchase a boxed set of all four books in the complete by the sea series , now at a special introductory price .