: I would say that it 's been a long time in the making . Martin latest book , `` Baby-Sitters Club '' , '' hits shelves almost 15 years . Ann M. Martin 's is best known for her popular `` Rain Reign series . Martin has tackled many issues in her books for children .
Martin latest book , `` Baby-Sitters Club '' , '' hits shelves almost 15 years . Ann M. Martin 's is best known for her popular `` Rain Reign series . Martin has tackled many issues in her books for children .